2011210202221 has 8 divisors (see below), whose sum is σ = 2194063581888. Its totient is φ = 1828359504000.

The previous prime is 2011210202207. The next prime is 2011210202263. The reversal of 2011210202221 is 1222020121102.

It is a happy number.

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 2011210202221 - 2²³ = 2011201813613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011210202195 and 2011210202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011210206221) 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, 1101576 + ... + 2288206.

It is an arithmetic number, because the mean of its divisors is an integer number (274257947736).

Almost surely, 2^{2011210202221} is an apocalyptic number.

It is an amenable number.

2011210202221 is a deficient number, since it is larger than the sum of its proper divisors (182853379667).

2011210202221 is a wasteful number, since it uses less digits than its factorization.

2011210202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340723.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2011210202221 its reverse (1222020121102), we get a palindrome (3233230323323).

The spelling of 2011210202221 in words is "two trillion, eleven billion, two hundred ten million, two hundred two thousand, two hundred twenty-one".