2220100131331 has 4 divisors (see below), whose sum is σ = 2274248915064. Its totient is φ = 2165951347600.

The previous prime is 2220100131323. The next prime is 2220100131449. The reversal of 2220100131331 is 1331310010222.

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 2220100131331 - 2³ = 2220100131323 is a prime.

It is a super-2 number, since 2×2220100131331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220100131299 and 2220100131308.

It is not an unprimeable number, because it can be changed into a prime (2220100131311) 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, 27074391805 + ... + 27074391886.

It is an arithmetic number, because the mean of its divisors is an integer number (568562228766).

Almost surely, 2^{2220100131331} is an apocalyptic number.

2220100131331 is a deficient number, since it is larger than the sum of its proper divisors (54148783733).

2220100131331 is an equidigital number, since it uses as much as digits as its factorization.

2220100131331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54148783732.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2220100131331 its reverse (1331310010222), we get a palindrome (3551410141553).

The spelling of 2220100131331 in words is "two trillion, two hundred twenty billion, one hundred million, one hundred thirty-one thousand, three hundred thirty-one".