203032231121100 has 144 divisors (see below), whose sum is σ = 603492000602400. Its totient is φ = 52670041651200.

The previous prime is 203032231120981. The next prime is 203032231121107. The reversal of 203032231121100 is 1121132230302.

It is not an unprimeable number, because it can be changed into a prime (203032231121107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19355847 + ... + 27941246.

It is an arithmetic number, because the mean of its divisors is an integer number (4190916670850).

Almost surely, 2^{203032231121100} is an apocalyptic number.

203032231121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203032231121100 is an abundant number, since it is smaller than the sum of its proper divisors (400459769481300).

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

203032231121100 is a wasteful number, since it uses less digits than its factorization.

203032231121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47297500 (or 47297493 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 203032231121100 its reverse (1121132230302), we get a palindrome (204153363351402).

The spelling of 203032231121100 in words is "two hundred three trillion, thirty-two billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred".