210221010122110 has 16 divisors (see below), whose sum is σ = 407505342698496. Its totient is φ = 77620065275808.

The previous prime is 210221010122107. The next prime is 210221010122191. The reversal of 210221010122110 is 11221010122012.

It is a super-2 number, since 2×210221010122110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808542346494 + ... + 808542346753.

It is an arithmetic number, because the mean of its divisors is an integer number (25469083918656).

Almost surely, 2^{210221010122110} is an apocalyptic number.

210221010122110 is a deficient number, since it is larger than the sum of its proper divisors (197284332576386).

210221010122110 is a wasteful number, since it uses less digits than its factorization.

210221010122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617084693267.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210221010122110 its reverse (11221010122012), we get a palindrome (221442020244122).

The spelling of 210221010122110 in words is "two hundred ten trillion, two hundred twenty-one billion, ten million, one hundred twenty-two thousand, one hundred ten".