2103898221872 has 10 divisors (see below), whose sum is σ = 4076302804908. Its totient is φ = 1051949110928.

The previous prime is 2103898221871. The next prime is 2103898221913. The reversal of 2103898221872 is 2781228983012.

It is not an unprimeable number, because it can be changed into a prime (2103898221871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65746819418 + ... + 65746819449.

Almost surely, 2^{2103898221872} is an apocalyptic number.

It is an amenable number.

2103898221872 is a deficient number, since it is larger than the sum of its proper divisors (1972404583036).

2103898221872 is a wasteful number, since it uses less digits than its factorization.

2103898221872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131493638875 (or 131493638869 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 2103898221872 in words is "two trillion, one hundred three billion, eight hundred ninety-eight million, two hundred twenty-one thousand, eight hundred seventy-two".