200120121112 has 16 divisors (see below), whose sum is σ = 375230157840. Its totient is φ = 100058745696.

The previous prime is 200120121109. The next prime is 200120121119. The reversal of 200120121112 is 211121021002.

It is a junction number, because it is equal to n+sod(n) for n = 200120121092 and 200120121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120121119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852693 + ... + 1061755.

It is an arithmetic number, because the mean of its divisors is an integer number (23451884865).

Almost surely, 2^200120121112 is an apocalyptic number.

It is an amenable number.

200120121112 is a deficient number, since it is larger than the sum of its proper divisors (175110036728).

200120121112 is a wasteful number, since it uses less digits than its factorization.

200120121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328722 (or 328718 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200120121112 its reverse (211121021002), we get a palindrome (411241142114).

The spelling of 200120121112 in words is "two hundred billion, one hundred twenty million, one hundred twenty-one thousand, one hundred twelve".