201202112021022 has 24 divisors (see below), whose sum is σ = 498214753576176. Its totient is φ = 57486317720256.

The previous prime is 201202112021017. The next prime is 201202112021023. The reversal of 201202112021022 is 220120211202102.

It is a happy number.

201202112021022 is a `hidden beast` number, since 201 + 2 + 0 + 211 + 20 + 210 + 22 = 666.

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 = 201202112020986 and 201202112021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202112021023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 798421079323 + ... + 798421079574.

It is an arithmetic number, because the mean of its divisors is an integer number (20758948065674).

Almost surely, 2^{201202112021022} is an apocalyptic number.

201202112021022 is an abundant number, since it is smaller than the sum of its proper divisors (297012641555154).

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

201202112021022 is a wasteful number, since it uses less digits than its factorization.

201202112021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596842158912 (or 1596842158909 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201202112021022 its reverse (220120211202102), we get a palindrome (421322323223124).

It can be divided in two parts, 20120211202102 and 2, that multiplied together give a palindrome (40240422404204).

The spelling of 201202112021022 in words is "two hundred one trillion, two hundred two billion, one hundred twelve million, twenty-one thousand, twenty-two".