210122222102021 has 16 divisors (see below), whose sum is σ = 222185538009600. Its totient is φ = 198161378548848.

The previous prime is 210122222101933. The next prime is 210122222102069. The reversal of 210122222102021 is 120201222221012.

It is a cyclic number.

It is not a de Polignac number, because 210122222102021 - 2³⁴ = 210105042232837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210122222101984 and 210122222102002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122222101021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24737771 + ... + 32127896.

It is an arithmetic number, because the mean of its divisors is an integer number (13886596125600).

Almost surely, 2^{210122222102021} is an apocalyptic number.

It is an amenable number.

210122222102021 is a deficient number, since it is larger than the sum of its proper divisors (12063315907579).

210122222102021 is a wasteful number, since it uses less digits than its factorization.

210122222102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56866568.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 210122222102021 its reverse (120201222221012), we get a palindrome (330323444323033).

The spelling of 210122222102021 in words is "two hundred ten trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred two thousand, twenty-one".