202210002022122 has 36 divisors (see below), whose sum is σ = 453750268146630. Its totient is φ = 65079081105696.

The previous prime is 202210002022103. The next prime is 202210002022129. The reversal of 202210002022122 is 221220200012202.

It can be written as a sum of positive squares in 3 ways, for example, as 152231450680521 + 49978551341601 = 12338211^2 + 7069551^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202210002022095 and 202210002022104.

It is not an unprimeable number, because it can be changed into a prime (202210002022129) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6678872497 + ... + 6678902772.

Almost surely, 2^{202210002022122} is an apocalyptic number.

202210002022122 is an abundant number, since it is smaller than the sum of its proper divisors (251540266124508).

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

202210002022122 is a wasteful number, since it uses less digits than its factorization.

202210002022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13357775335 (or 13357775303 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202210002022122 its reverse (221220200012202), we get a palindrome (423430202034324).

The spelling of 202210002022122 in words is "two hundred two trillion, two hundred ten billion, two million, twenty-two thousand, one hundred twenty-two".