101212121222022 has 32 divisors (see below), whose sum is σ = 205114933440000. Its totient is φ = 33289460070048.

The previous prime is 101212121221997. The next prime is 101212121222039. The reversal of 101212121222022 is 220222121212101.

It is a super-2 number, since 2×101212121222022² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101212121222022.

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, 66095772 + ... + 67609727.

It is an arithmetic number, because the mean of its divisors is an integer number (6409841670000).

Almost surely, 2^{101212121222022} is an apocalyptic number.

101212121222022 is an abundant number, since it is smaller than the sum of its proper divisors (103902812217978).

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

101212121222022 is a wasteful number, since it uses less digits than its factorization.

101212121222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133707180.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 101212121222022 its reverse (220222121212101), we get a palindrome (321434242434123).

The spelling of 101212121222022 in words is "one hundred one trillion, two hundred twelve billion, one hundred twenty-one million, two hundred twenty-two thousand, twenty-two".