2121310100958 has 32 divisors (see below), whose sum is σ = 4323795780096. Its totient is φ = 693581055648.

The previous prime is 2121310100957. The next prime is 2121310100963. The reversal of 2121310100958 is 8590010131212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121310100957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356335 + ... + 2090357.

It is an arithmetic number, because the mean of its divisors is an integer number (135118618128).

Almost surely, 2^{2121310100958} is an apocalyptic number.

2121310100958 is an abundant number, since it is smaller than the sum of its proper divisors (2202485679138).

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

2121310100958 is a wasteful number, since it uses less digits than its factorization.

2121310100958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737928.

The product of its (nonzero) digits is 4320, while the sum is 33.

The spelling of 2121310100958 in words is "two trillion, one hundred twenty-one billion, three hundred ten million, one hundred thousand, nine hundred fifty-eight".