2121219858976 has 96 divisors (see below), whose sum is σ = 4218088089600. Its totient is φ = 1050026603520.

The previous prime is 2121219858943. The next prime is 2121219858977. The reversal of 2121219858976 is 6798589121212.

It is a super-2 number, since 2×2121219858976² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2121219858977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1912731510 + ... + 1912732618.

It is an arithmetic number, because the mean of its divisors is an integer number (43938417600).

Almost surely, 2^{2121219858976} is an apocalyptic number.

It is an amenable number.

2121219858976 is a deficient number, since it is larger than the sum of its proper divisors (2096868230624).

2121219858976 is a wasteful number, since it uses less digits than its factorization.

2121219858976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522 (or 2514 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 61.

The spelling of 2121219858976 in words is "two trillion, one hundred twenty-one billion, two hundred nineteen million, eight hundred fifty-eight thousand, nine hundred seventy-six".