202101212220112 has 10 divisors (see below), whose sum is σ = 391571098676498. Its totient is φ = 101050606110048.

The previous prime is 202101212220109. The next prime is 202101212220143. The reversal of 202101212220112 is 211022212101202.

It can be written as a sum of positive squares in only one way, i.e., 130868017339536 + 71233194880576 = 11439756^2 + 8439976^2 .

It is a super-3 number, since 3×202101212220112³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202101212220112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315662881863 + ... + 6315662881894.

Almost surely, 2^{202101212220112} is an apocalyptic number.

It is an amenable number.

202101212220112 is a deficient number, since it is larger than the sum of its proper divisors (189469886456386).

202101212220112 is a wasteful number, since it uses less digits than its factorization.

202101212220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12631325763765 (or 12631325763759 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202101212220112 its reverse (211022212101202), we get a palindrome (413123424321314).

The spelling of 202101212220112 in words is "two hundred two trillion, one hundred one billion, two hundred twelve million, two hundred twenty thousand, one hundred twelve".