121013202130 has 16 divisors (see below), whose sum is σ = 218952387864. Its totient is φ = 48154475520.

The previous prime is 121013202083. The next prime is 121013202161. The reversal of 121013202130 is 31202310121.

It can be written as a sum of positive squares in 4 ways, for example, as 80285522409 + 40727679721 = 283347^2 + 201811^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31348641 + ... + 31352500.

Almost surely, 2^121013202130 is an apocalyptic number.

121013202130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121013202130 is a deficient number, since it is larger than the sum of its proper divisors (97939185734).

121013202130 is a wasteful number, since it uses less digits than its factorization.

121013202130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62701341.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121013202130 its reverse (31202310121), we get a palindrome (152215512251).

The spelling of 121013202130 in words is "one hundred twenty-one billion, thirteen million, two hundred two thousand, one hundred thirty".