122020111202021 has 8 divisors (see below), whose sum is σ = 126227898768600. Its totient is φ = 117812336803840.

The previous prime is 122020111201999. The next prime is 122020111202047. The reversal of 122020111202021 is 120202111020221.

It can be written as a sum of positive squares in 4 ways, for example, as 95073225302500 + 26946885899521 = 9750550^2 + 5191039^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 122020111202021 - 2¹⁸ = 122020110939877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020111204021) 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, 17864165 + ... + 23731173.

It is an arithmetic number, because the mean of its divisors is an integer number (15778487346075).

Almost surely, 2^{122020111202021} is an apocalyptic number.

It is an amenable number.

122020111202021 is a deficient number, since it is larger than the sum of its proper divisors (4207787566579).

122020111202021 is an equidigital number, since it uses as much as digits as its factorization.

122020111202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6584199.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122020111202021 its reverse (120202111020221), we get a palindrome (242222222222242).

The spelling of 122020111202021 in words is "one hundred twenty-two trillion, twenty billion, one hundred eleven million, two hundred two thousand, twenty-one".