21103011330995 has 64 divisors (see below), whose sum is σ = 28316511774720. Its totient is φ = 14966361868800.

The previous prime is 21103011330983. The next prime is 21103011331001. The reversal of 21103011330995 is 59903311030112.

It is not a de Polignac number, because 21103011330995 - 2⁴ = 21103011330979 is a prime.

It is a super-2 number, since 2×21103011330995² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 976392809 + ... + 976414421.

It is an arithmetic number, because the mean of its divisors is an integer number (442445496480).

Almost surely, 2^{21103011330995} is an apocalyptic number.

21103011330995 is a deficient number, since it is larger than the sum of its proper divisors (7213500443725).

21103011330995 is a wasteful number, since it uses less digits than its factorization.

21103011330995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23036.

The product of its (nonzero) digits is 21870, while the sum is 38.

The spelling of 21103011330995 in words is "twenty-one trillion, one hundred three billion, eleven million, three hundred thirty thousand, nine hundred ninety-five".