101122212121112 has 64 divisors (see below), whose sum is σ = 233362823023680. Its totient is φ = 40003727841792.

The previous prime is 101122212121019. The next prime is 101122212121141. The reversal of 101122212121112 is 211121212221101.

It is a happy number.

It is a super-2 number, since 2×101122212121112² (a number of 29 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, 43965818 + ... + 46208630.

It is an arithmetic number, because the mean of its divisors is an integer number (3646294109745).

Almost surely, 2^{101122212121112} is an apocalyptic number.

It is an amenable number.

101122212121112 is an abundant number, since it is smaller than the sum of its proper divisors (132240610902568).

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

101122212121112 is a wasteful number, since it uses less digits than its factorization.

101122212121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304772 (or 2304768 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 101122212121112 its reverse (211121212221101), we get a palindrome (312243424342213).

The spelling of 101122212121112 in words is "one hundred one trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, one hundred twelve".