101212100000022 has 64 divisors (see below), whose sum is σ = 221565862425600. Its totient is φ = 30567800434080.

The previous prime is 101212100000021. The next prime is 101212100000069. The reversal of 101212100000022 is 220000001212101.

It is a junction number, because it is equal to n+sod(n) for n = 101212099999953 and 101212100000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212100000021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21664129 + ... + 25918307.

It is an arithmetic number, because the mean of its divisors is an integer number (3461966600400).

Almost surely, 2^{101212100000022} is an apocalyptic number.

101212100000022 is an abundant number, since it is smaller than the sum of its proper divisors (120353762425578).

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

101212100000022 is a wasteful number, since it uses less digits than its factorization.

101212100000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255401.

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

Adding to 101212100000022 its reverse (220000001212101), we get a palindrome (321212101212123).

The spelling of 101212100000022 in words is "one hundred one trillion, two hundred twelve billion, one hundred million, twenty-two", and thus it is an aban number.