202012101221022 has 48 divisors (see below), whose sum is σ = 460950753341520. Its totient is φ = 63762639782400.

The previous prime is 202012101221009. The next prime is 202012101221083. The reversal of 202012101221022 is 220122101210202.

It is a happy number.

202012101221022 is a `hidden beast` number, since 20 + 201 + 210 + 1 + 2 + 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 = 202012101220986 and 202012101221004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141210129 + ... + 142633532.

It is an arithmetic number, because the mean of its divisors is an integer number (9603140694615).

Almost surely, 2^{202012101221022} is an apocalyptic number.

202012101221022 is an abundant number, since it is smaller than the sum of its proper divisors (258938652120498).

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

202012101221022 is a wasteful number, since it uses less digits than its factorization.

202012101221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283845769 (or 283845766 counting only the distinct ones).

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

Adding to 202012101221022 its reverse (220122101210202), we get a palindrome (422134202431224).

The spelling of 202012101221022 in words is "two hundred two trillion, twelve billion, one hundred one million, two hundred twenty-one thousand, twenty-two".