2121300031301 has 4 divisors (see below), whose sum is σ = 2314145488704. Its totient is φ = 1928454573900.

The previous prime is 2121300031271. The next prime is 2121300031327. The reversal of 2121300031301 is 1031300031212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2121300031301 - 2⁶ = 2121300031237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2121300031301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121300051301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96422728685 + ... + 96422728706.

It is an arithmetic number, because the mean of its divisors is an integer number (578536372176).

Almost surely, 2^{2121300031301} is an apocalyptic number.

It is an amenable number.

2121300031301 is a deficient number, since it is larger than the sum of its proper divisors (192845457403).

2121300031301 is a wasteful number, since it uses less digits than its factorization.

2121300031301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192845457402.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 2121300031301 its reverse (1031300031212), we get a palindrome (3152600062513).

The spelling of 2121300031301 in words is "two trillion, one hundred twenty-one billion, three hundred million, thirty-one thousand, three hundred one".