202000021121112 has 32 divisors (see below), whose sum is σ = 505024162526400. Its totient is φ = 67330125743904.

The previous prime is 202000021121077. The next prime is 202000021121113. The reversal of 202000021121112 is 211121120000202.

It is a junction number, because it is equal to n+sod(n) for n = 202000021121091 and 202000021121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202000021121113) 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, 200401162 + ... + 201406617.

It is an arithmetic number, because the mean of its divisors is an integer number (15782005078950).

Almost surely, 2^{202000021121112} is an apocalyptic number.

It is an amenable number.

202000021121112 is an abundant number, since it is smaller than the sum of its proper divisors (303024141405288).

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

202000021121112 is a wasteful number, since it uses less digits than its factorization.

202000021121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401828735 (or 401828731 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202000021121112 its reverse (211121120000202), we get a palindrome (413121141121314).

The spelling of 202000021121112 in words is "two hundred two trillion, twenty-one million, one hundred twenty-one thousand, one hundred twelve".