210111000122122 has 64 divisors (see below), whose sum is σ = 362072850048000. Its totient is φ = 90438639540480.

The previous prime is 210111000122113. The next prime is 210111000122137. The reversal of 210111000122122 is 221221000111012.

It is a junction number, because it is equal to n+sod(n) for n = 210111000122096 and 210111000122105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14541552754 + ... + 14541567202.

It is an arithmetic number, because the mean of its divisors is an integer number (5657388282000).

Almost surely, 2^{210111000122122} is an apocalyptic number.

210111000122122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210111000122122 is a deficient number, since it is larger than the sum of its proper divisors (151961849925878).

210111000122122 is a wasteful number, since it uses less digits than its factorization.

210111000122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27371.

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

Adding to 210111000122122 its reverse (221221000111012), we get a palindrome (431332000233134).

The spelling of 210111000122122 in words is "two hundred ten trillion, one hundred eleven billion, one hundred twenty-two thousand, one hundred twenty-two".