210022011121 has 32 divisors (see below), whose sum is σ = 240347197440. Its totient is φ = 181920017664.

The previous prime is 210022011079. The next prime is 210022011149. The reversal of 210022011121 is 121110220012.

It is a cyclic number.

It is not a de Polignac number, because 210022011121 - 2²⁹ = 209485140209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210022011421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20478831 + ... + 20489083.

It is an arithmetic number, because the mean of its divisors is an integer number (7510849920).

Almost surely, 2^210022011121 is an apocalyptic number.

It is an amenable number.

210022011121 is a deficient number, since it is larger than the sum of its proper divisors (30325186319).

210022011121 is a wasteful number, since it uses less digits than its factorization.

210022011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11065.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210022011121 its reverse (121110220012), we get a palindrome (331132231133).

The spelling of 210022011121 in words is "two hundred ten billion, twenty-two million, eleven thousand, one hundred twenty-one".