2121023031001 has 8 divisors (see below), whose sum is σ = 2425521723584. Its totient is φ = 1816898189040.

The previous prime is 2121023030981. The next prime is 2121023031089. The reversal of 2121023031001 is 1001303201212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2121023031001 - 2³⁷ = 1983584077529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121023431001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93450495 + ... + 93473188.

It is an arithmetic number, because the mean of its divisors is an integer number (303190215448).

Almost surely, 2^{2121023031001} is an apocalyptic number.

It is an amenable number.

2121023031001 is a deficient number, since it is larger than the sum of its proper divisors (304498692583).

2121023031001 is a wasteful number, since it uses less digits than its factorization.

2121023031001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186925311.

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

Adding to 2121023031001 its reverse (1001303201212), we get a palindrome (3122326232213).

The spelling of 2121023031001 in words is "two trillion, one hundred twenty-one billion, twenty-three million, thirty-one thousand, one".