101022121112 has 32 divisors (see below), whose sum is σ = 206684006400. Its totient is φ = 45908512800.

The previous prime is 101022121091. The next prime is 101022121147. The reversal of 101022121112 is 211121220101.

It is a super-2 number, since 2×101022121112² (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 7 ways as a sum of consecutive naturals, for example, 255689 + ... + 517127.

It is an arithmetic number, because the mean of its divisors is an integer number (6458875200).

Almost surely, 2^101022121112 is an apocalyptic number.

It is an amenable number.

101022121112 is an abundant number, since it is smaller than the sum of its proper divisors (105661885288).

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

101022121112 is a wasteful number, since it uses less digits than its factorization.

101022121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265847 (or 265843 counting only the distinct ones).

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

Adding to 101022121112 its reverse (211121220101), we get a palindrome (312143341213).

It can be divided in two parts, 1010 and 22121112, that added together give a palindrome (22122122).

The spelling of 101022121112 in words is "one hundred one billion, twenty-two million, one hundred twenty-one thousand, one hundred twelve".