21110000122110 has 32 divisors (see below), whose sum is σ = 50664466514592. Its totient is φ = 5629281563520.

The previous prime is 21110000122093. The next prime is 21110000122357. The reversal of 21110000122110 is 1122100001112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134340 + ... + 6499080.

It is an arithmetic number, because the mean of its divisors is an integer number (1583264578581).

Almost surely, 2^{21110000122110} is an apocalyptic number.

21110000122110 is an abundant number, since it is smaller than the sum of its proper divisors (29554466392482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21110000122110 is a wasteful number, since it uses less digits than its factorization.

21110000122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6475308.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 21110000122110 its reverse (1122100001112), we get a palindrome (22232100123222).

The spelling of 21110000122110 in words is "twenty-one trillion, one hundred ten billion, one hundred twenty-two thousand, one hundred ten".