202121202211012 has 24 divisors (see below), whose sum is σ = 404243260688960. Its totient is φ = 86623188890400.

The previous prime is 202121202211009. The next prime is 202121202211151. The reversal of 202121202211012 is 210112202121202.

It is a super-3 number, since 3×202121202211012³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6252814 + ... + 21055642.

Almost surely, 2^{202121202211012} is an apocalyptic number.

It is an amenable number.

202121202211012 is an abundant number, since it is smaller than the sum of its proper divisors (202122058477948).

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

202121202211012 is a wasteful number, since it uses less digits than its factorization.

202121202211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15290491 (or 15290489 counting only the distinct ones).

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

Adding to 202121202211012 its reverse (210112202121202), we get a palindrome (412233404332214).

The spelling of 202121202211012 in words is "two hundred two trillion, one hundred twenty-one billion, two hundred two million, two hundred eleven thousand, twelve".