2102131012 has 12 divisors (see below), whose sum is σ = 3679415740. Its totient is φ = 1050869376.

The previous prime is 2102131007. The next prime is 2102131043. The reversal of 2102131012 is 2101312012.

It can be written as a sum of positive squares in 2 ways, for example, as 1874543616 + 227587396 = 43296^2 + 15086^2 .

It is a super-2 number, since 2×2102131012² = 8837909583224288288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102130983 and 2102131001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23433 + ... + 68944.

Almost surely, 2^2102131012 is an apocalyptic number.

It is an amenable number.

2102131012 is a deficient number, since it is larger than the sum of its proper divisors (1577284728).

2102131012 is a wasteful number, since it uses less digits than its factorization.

2102131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98070 (or 98068 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2102131012 is about 45849.0023010316. The cubic root of 2102131012 is about 1281.0121819734.

Adding to 2102131012 its reverse (2101312012), we get a palindrome (4203443024).

The spelling of 2102131012 in words is "two billion, one hundred two million, one hundred thirty-one thousand, twelve".