101212210122 has 16 divisors (see below), whose sum is σ = 203782975200. Its totient is φ = 33510977552.

The previous prime is 101212210117. The next prime is 101212210139. The reversal of 101212210122 is 221012212101.

It is a super-2 number, since 2×101212210122² (a number of 23 digits) contains 22 as substring.

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, 56605488 + ... + 56607275.

It is an arithmetic number, because the mean of its divisors is an integer number (12736435950).

Almost surely, 2^101212210122 is an apocalyptic number.

101212210122 is an abundant number, since it is smaller than the sum of its proper divisors (102570765078).

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

101212210122 is a wasteful number, since it uses less digits than its factorization.

101212210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113212917.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101212210122 its reverse (221012212101), we get a palindrome (322224422223).

The spelling of 101212210122 in words is "one hundred one billion, two hundred twelve million, two hundred ten thousand, one hundred twenty-two".