202120000121112 has 64 divisors (see below), whose sum is σ = 519378333196800. Its totient is φ = 65499180750720.

The previous prime is 202120000121027. The next prime is 202120000121209. The reversal of 202120000121112 is 211121000021202.

It is a junction number, because it is equal to n+sod(n) for n = 202120000121091 and 202120000121100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91357162 + ... + 93543417.

It is an arithmetic number, because the mean of its divisors is an integer number (8115286456200).

Almost surely, 2^{202120000121112} is an apocalyptic number.

It is an amenable number.

202120000121112 is an abundant number, since it is smaller than the sum of its proper divisors (317258333075688).

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

202120000121112 is a wasteful number, since it uses less digits than its factorization.

202120000121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184901856 (or 184901852 counting only the distinct ones).

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

Adding to 202120000121112 its reverse (211121000021202), we get a palindrome (413241000142314).

The spelling of 202120000121112 in words is "two hundred two trillion, one hundred twenty billion, one hundred twenty-one thousand, one hundred twelve".