101211210122 has 48 divisors (see below), whose sum is σ = 170252096616. Its totient is φ = 45075888000.

The previous prime is 101211210119. The next prime is 101211210137. The reversal of 101211210122 is 221012112101.

It can be written as a sum of positive squares in 4 ways, for example, as 101207333161 + 3876961 = 318131^2 + 1969^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101211210097 and 101211210106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10217372 + ... + 10227272.

Almost surely, 2^101211210122 is an apocalyptic number.

101211210122 is a deficient number, since it is larger than the sum of its proper divisors (69040886494).

101211210122 is a wasteful number, since it uses less digits than its factorization.

101211210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10775 (or 10764 counting only the distinct ones).

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

Adding to 101211210122 its reverse (221012112101), we get a palindrome (322223322223).

It can be divided in two parts, 1012112101 and 22, that multiplied together give a palindrome (22266466222).

The spelling of 101211210122 in words is "one hundred one billion, two hundred eleven million, two hundred ten thousand, one hundred twenty-two".