103021132172 has 24 divisors (see below), whose sum is σ = 206111136000. Its totient is φ = 44137155600.

The previous prime is 103021132171. The next prime is 103021132177. The reversal of 103021132172 is 271231120301.

It is a super-2 number, since 2×103021132172² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103021132171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529454 + ... + 697397.

It is an arithmetic number, because the mean of its divisors is an integer number (8587964000).

Almost surely, 2^103021132172 is an apocalyptic number.

It is an amenable number.

103021132172 is an abundant number, since it is smaller than the sum of its proper divisors (103090003828).

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

103021132172 is a wasteful number, since it uses less digits than its factorization.

103021132172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229861 (or 1229859 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 103021132172 its reverse (271231120301), we get a palindrome (374252252473).

The spelling of 103021132172 in words is "one hundred three billion, twenty-one million, one hundred thirty-two thousand, one hundred seventy-two".