2121031130308 has 96 divisors (see below), whose sum is σ = 4108447816704. Its totient is φ = 955019818368.

The previous prime is 2121031130263. The next prime is 2121031130329. The reversal of 2121031130308 is 8030311301212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15594091 + ... + 15729517.

It is an arithmetic number, because the mean of its divisors is an integer number (42796331424).

Almost surely, 2^{2121031130308} is an apocalyptic number.

It is an amenable number.

2121031130308 is a deficient number, since it is larger than the sum of its proper divisors (1987416686396).

2121031130308 is a wasteful number, since it uses less digits than its factorization.

2121031130308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135641 (or 135639 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 2121031130308 in words is "two trillion, one hundred twenty-one billion, thirty-one million, one hundred thirty thousand, three hundred eight".