21110122112110 has 8 divisors (see below), whose sum is σ = 37998219801816. Its totient is φ = 8444048844840.

The previous prime is 21110122112083. The next prime is 21110122112137. The reversal of 21110122112110 is 1121122101112.

It is an interprime number because it is at equal distance from previous prime (21110122112083) and next prime (21110122112137).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055506105596 + ... + 1055506105615.

It is an arithmetic number, because the mean of its divisors is an integer number (4749777475227).

Almost surely, 2^{21110122112110} is an apocalyptic number.

21110122112110 is a deficient number, since it is larger than the sum of its proper divisors (16888097689706).

21110122112110 is a wasteful number, since it uses less digits than its factorization.

21110122112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111012211218.

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

Adding to 21110122112110 its reverse (1121122101112), we get a palindrome (22231244213222).

The spelling of 21110122112110 in words is "twenty-one trillion, one hundred ten billion, one hundred twenty-two million, one hundred twelve thousand, one hundred ten".