2130313111221 has 8 divisors (see below), whose sum is σ = 2917185521824. Its totient is φ = 1381824720720.

The previous prime is 2130313111183. The next prime is 2130313111249. The reversal of 2130313111221 is 1221113130312.

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

It is not a de Polignac number, because 2130313111221 - 2⁷ = 2130313111093 is a prime.

It is a super-2 number, since 2×2130313111221² (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 (2130313111921) 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, 9596004895 + ... + 9596005116.

It is an arithmetic number, because the mean of its divisors is an integer number (364648190228).

Almost surely, 2^{2130313111221} is an apocalyptic number.

It is an amenable number.

2130313111221 is a deficient number, since it is larger than the sum of its proper divisors (786872410603).

2130313111221 is a wasteful number, since it uses less digits than its factorization.

2130313111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19192010051.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2130313111221 its reverse (1221113130312), we get a palindrome (3351426241533).

The spelling of 2130313111221 in words is "two trillion, one hundred thirty billion, three hundred thirteen million, one hundred eleven thousand, two hundred twenty-one".