2121030231001 has 16 divisors (see below), whose sum is σ = 2315447259840. Its totient is φ = 1926879736320.

The previous prime is 2121030230983. The next prime is 2121030231071. The reversal of 2121030231001 is 1001320301212.

It is not a de Polignac number, because 2121030231001 - 2²⁵ = 2120996676569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121030231071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108189466 + ... + 108209068.

It is an arithmetic number, because the mean of its divisors is an integer number (144715453740).

Almost surely, 2^{2121030231001} is an apocalyptic number.

It is an amenable number.

2121030231001 is a deficient number, since it is larger than the sum of its proper divisors (194417028839).

2121030231001 is a wasteful number, since it uses less digits than its factorization.

2121030231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25896.

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

Adding to 2121030231001 its reverse (1001320301212), we get a palindrome (3122350532213).

The spelling of 2121030231001 in words is "two trillion, one hundred twenty-one billion, thirty million, two hundred thirty-one thousand, one".