101000020012122 has 64 divisors (see below), whose sum is σ = 251875349222400. Its totient is φ = 26230527319680.

The previous prime is 101000020012109. The next prime is 101000020012217. The reversal of 101000020012122 is 221210020000101.

It is a junction number, because it is equal to n+sod(n) for n = 101000020012098 and 101000020012107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9775972 + ... + 17250207.

It is an arithmetic number, because the mean of its divisors is an integer number (3935552331600).

Almost surely, 2^{101000020012122} is an apocalyptic number.

101000020012122 is an abundant number, since it is smaller than the sum of its proper divisors (150875329210278).

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

101000020012122 is a wasteful number, since it uses less digits than its factorization.

101000020012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27034291.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101000020012122 its reverse (221210020000101), we get a palindrome (322210040012223).

The spelling of 101000020012122 in words is "one hundred one trillion, twenty million, twelve thousand, one hundred twenty-two".