220021302330131 has 2 divisors, whose sum is σ = 220021302330132. Its totient is φ = 220021302330130.

The previous prime is 220021302330107. The next prime is 220021302330157. The reversal of 220021302330131 is 131033203120022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220021302330131 - 2³⁸ = 219746424423187 is a prime.

It is a super-2 number, since 2×220021302330131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220021302330097 and 220021302330106.

It is not a weakly prime, because it can be changed into another prime (220021302330631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010651165065 + 110010651165066.

It is an arithmetic number, because the mean of its divisors is an integer number (110010651165066).

Almost surely, 2^{220021302330131} is an apocalyptic number.

220021302330131 is a deficient number, since it is larger than the sum of its proper divisors (1).

220021302330131 is an equidigital number, since it uses as much as digits as its factorization.

220021302330131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 220021302330131 its reverse (131033203120022), we get a palindrome (351054505450153).

The spelling of 220021302330131 in words is "two hundred twenty trillion, twenty-one billion, three hundred two million, three hundred thirty thousand, one hundred thirty-one".