2022020020121 has 8 divisors (see below), whose sum is σ = 2076698167944. Its totient is φ = 1967343396480.

The previous prime is 2022020020109. The next prime is 2022020020133. The reversal of 2022020020121 is 1210200202202.

It is an interprime number because it is at equal distance from previous prime (2022020020109) and next prime (2022020020133).

It can be written as a sum of positive squares in 4 ways, for example, as 478372806025 + 1543647214096 = 691645^2 + 1242436^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2022020020121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2022020020096 and 2022020020105.

It is not an unprimeable number, because it can be changed into a prime (2022020020151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2624261 + ... + 3306173.

It is an arithmetic number, because the mean of its divisors is an integer number (259587270993).

Almost surely, 2^{2022020020121} is an apocalyptic number.

It is an amenable number.

2022020020121 is a deficient number, since it is larger than the sum of its proper divisors (54678147823).

2022020020121 is an equidigital number, since it uses as much as digits as its factorization.

2022020020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762091.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2022020020121 its reverse (1210200202202), we get a palindrome (3232220222323).

The spelling of 2022020020121 in words is "two trillion, twenty-two billion, twenty million, twenty thousand, one hundred twenty-one".