3102721118019 has 12 divisors (see below), whose sum is σ = 4538438767200. Its totient is φ = 2042297444304.

The previous prime is 3102721117973. The next prime is 3102721118033. The reversal of 3102721118019 is 9108111272013.

It is not a de Polignac number, because 3102721118019 - 2²⁰ = 3102720069443 is a prime.

It is a super-2 number, since 2×3102721118019² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3102721118219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2181941004 + ... + 2181942425.

It is an arithmetic number, because the mean of its divisors is an integer number (378203230600).

Almost surely, 2^{3102721118019} is an apocalyptic number.

3102721118019 is a deficient number, since it is larger than the sum of its proper divisors (1435717649181).

3102721118019 is a wasteful number, since it uses less digits than its factorization.

3102721118019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363883514 (or 4363883511 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

The spelling of 3102721118019 in words is "three trillion, one hundred two billion, seven hundred twenty-one million, one hundred eighteen thousand, nineteen".