201222100022022 has 20 divisors (see below), whose sum is σ = 450886557457116. Its totient is φ = 67074033340620.

The previous prime is 201222100021933. The next prime is 201222100022039. The reversal of 201222100022022 is 220220001222102.

201222100022022 is a `hidden beast` number, since 201 + 2 + 221 + 0 + 0 + 0 + 220 + 22 = 666.

201222100022022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 201222100021986 and 201222100022004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 621055864104 + ... + 621055864427.

Almost surely, 2^{201222100022022} is an apocalyptic number.

201222100022022 is an abundant number, since it is smaller than the sum of its proper divisors (249664457435094).

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

201222100022022 is a wasteful number, since it uses less digits than its factorization.

201222100022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242111728545 (or 1242111728536 counting only the distinct ones).

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

Adding to 201222100022022 its reverse (220220001222102), we get a palindrome (421442101244124).

The spelling of 201222100022022 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred million, twenty-two thousand, twenty-two".