203000111321120 has 48 divisors (see below), whose sum is σ = 479588712115968. Its totient is φ = 81199883831040.

The previous prime is 203000111321093. The next prime is 203000111321141. The reversal of 203000111321120 is 21123111000302.

It is a super-2 number, since 2×203000111321120² (a number of 29 digits) contains 22 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, 111256817 + ... + 113066703.

It is an arithmetic number, because the mean of its divisors is an integer number (9991431502416).

Almost surely, 2^{203000111321120} is an apocalyptic number.

203000111321120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203000111321120 is an abundant number, since it is smaller than the sum of its proper divisors (276588600794848).

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

203000111321120 is a wasteful number, since it uses less digits than its factorization.

203000111321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510913 (or 2510905 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 203000111321120 its reverse (21123111000302), we get a palindrome (224123222321422).

The spelling of 203000111321120 in words is "two hundred three trillion, one hundred eleven million, three hundred twenty-one thousand, one hundred twenty".