121130200644 has 48 divisors (see below), whose sum is σ = 286733704320. Its totient is φ = 39791969280.

The previous prime is 121130200613. The next prime is 121130200651. The reversal of 121130200644 is 446002031121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2181822 + ... + 2236650.

It is an arithmetic number, because the mean of its divisors is an integer number (5973618840).

Almost surely, 2^121130200644 is an apocalyptic number.

It is an amenable number.

121130200644 is an abundant number, since it is smaller than the sum of its proper divisors (165603503676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121130200644 is a wasteful number, since it uses less digits than its factorization.

121130200644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57500 (or 57498 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121130200644 its reverse (446002031121), we get a palindrome (567132231765).

The spelling of 121130200644 in words is "one hundred twenty-one billion, one hundred thirty million, two hundred thousand, six hundred forty-four".