2221010131 has 2 divisors, whose sum is σ = 2221010132. Its totient is φ = 2221010130.

The previous prime is 2221010107. The next prime is 2221010167. The reversal of 2221010131 is 1310101222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221010131 - 2⁷ = 2221010003 is a prime.

It is a super-2 number, since 2×2221010131² = 9865772004009274322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2221010431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110505065 + 1110505066.

It is an arithmetic number, because the mean of its divisors is an integer number (1110505066).

Almost surely, 2^2221010131 is an apocalyptic number.

2221010131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221010131 is an equidigital number, since it uses as much as digits as its factorization.

2221010131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2221010131 is about 47127.5941567146. The cubic root of 2221010131 is about 1304.7185784044.

Adding to 2221010131 its reverse (1310101222), we get a palindrome (3531111353).

The spelling of 2221010131 in words is "two billion, two hundred twenty-one million, ten thousand, one hundred thirty-one".