202021022212102 has 16 divisors (see below), whose sum is σ = 316207500766560. Its totient is φ = 96618540939712.

The previous prime is 202021022212099. The next prime is 202021022212103. The reversal of 202021022212102 is 201212220120202.

It is a super-2 number, since 2×202021022212102² (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 202021022212102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202021022212103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17935488 + ... + 26939260.

It is an arithmetic number, because the mean of its divisors is an integer number (19762968797910).

Almost surely, 2^{202021022212102} is an apocalyptic number.

202021022212102 is a deficient number, since it is larger than the sum of its proper divisors (114186478554458).

202021022212102 is a wasteful number, since it uses less digits than its factorization.

202021022212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9491567.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202021022212102 its reverse (201212220120202), we get a palindrome (403233242332304).

The spelling of 202021022212102 in words is "two hundred two trillion, twenty-one billion, twenty-two million, two hundred twelve thousand, one hundred two".