122100021110 has 64 divisors (see below), whose sum is σ = 231251894784. Its totient is φ = 46326931200.

The previous prime is 122100021107. The next prime is 122100021139. The reversal of 122100021110 is 11120001221.

It is a junction number, because it is equal to n+sod(n) for n = 122100021091 and 122100021100.

It is a congruent number.

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, 48240545 + ... + 48243075.

It is an arithmetic number, because the mean of its divisors is an integer number (3613310856).

Almost surely, 2^122100021110 is an apocalyptic number.

122100021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122100021110 is a deficient number, since it is larger than the sum of its proper divisors (109151873674).

122100021110 is a wasteful number, since it uses less digits than its factorization.

122100021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122100021110 its reverse (11120001221), we get a palindrome (133220022331).

The spelling of 122100021110 in words is "one hundred twenty-two billion, one hundred million, twenty-one thousand, one hundred ten".