1300021120231 has 4 divisors (see below), whose sum is σ = 1314628099200. Its totient is φ = 1285414141264.

The previous prime is 1300021120219. The next prime is 1300021120247. The reversal of 1300021120231 is 1320211200031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1300021120231 - 2¹¹ = 1300021118183 is a prime.

It is a super-2 number, since 2×1300021120231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300021120291) 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, 7303489351 + ... + 7303489528.

It is an arithmetic number, because the mean of its divisors is an integer number (328657024800).

Almost surely, 2^{1300021120231} is an apocalyptic number.

1300021120231 is a deficient number, since it is larger than the sum of its proper divisors (14606978969).

1300021120231 is an equidigital number, since it uses as much as digits as its factorization.

1300021120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14606978968.

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

Adding to 1300021120231 its reverse (1320211200031), we get a palindrome (2620232320262).

The spelling of 1300021120231 in words is "one trillion, three hundred billion, twenty-one million, one hundred twenty thousand, two hundred thirty-one".