203112111202 has 64 divisors (see below), whose sum is σ = 413115510528. Its totient is φ = 72324000000.

The previous prime is 203112111077. The next prime is 203112111221. The reversal of 203112111202 is 202111211302.

203112111202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203112111202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300049 + ... + 704452.

It is an arithmetic number, because the mean of its divisors is an integer number (6454929852).

Almost surely, 2^203112111202 is an apocalyptic number.

203112111202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203112111202 is an abundant number, since it is smaller than the sum of its proper divisors (210003399326).

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

203112111202 is a wasteful number, since it uses less digits than its factorization.

203112111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004635.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 203112111202 its reverse (202111211302), we get a palindrome (405223322504).

The spelling of 203112111202 in words is "two hundred three billion, one hundred twelve million, one hundred eleven thousand, two hundred two".