101221122110 has 32 divisors (see below), whose sum is σ = 183587191200. Its totient is φ = 40180238208.

The previous prime is 101221122089. The next prime is 101221122127. The reversal of 101221122110 is 11221122101.

101221122110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×101221122110² (a number of 23 digits) contains 22 as substring.

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, 1643024 + ... + 1703516.

It is an arithmetic number, because the mean of its divisors is an integer number (5737099725).

Almost surely, 2^101221122110 is an apocalyptic number.

101221122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101221122110 is a deficient number, since it is larger than the sum of its proper divisors (82366069090).

101221122110 is a wasteful number, since it uses less digits than its factorization.

101221122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61772.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101221122110 its reverse (11221122101), we get a palindrome (112442244211).

Subtracting from 101221122110 its reverse (11221122101), we obtain a palindrome (90000000009).

The spelling of 101221122110 in words is "one hundred one billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred ten".