22221210131 has 2 divisors, whose sum is σ = 22221210132. Its totient is φ = 22221210130.

The previous prime is 22221210107. The next prime is 22221210149. The reversal of 22221210131 is 13101212222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22221210131 - 2²⁶ = 22154101267 is a prime.

It is a super-2 number, since 2×22221210131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22221210631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110605065 + 11110605066.

It is an arithmetic number, because the mean of its divisors is an integer number (11110605066).

Almost surely, 2^22221210131 is an apocalyptic number.

22221210131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221210131 is an equidigital number, since it uses as much as digits as its factorization.

22221210131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22221210131 its reverse (13101212222), we get a palindrome (35322422353).

The spelling of 22221210131 in words is "twenty-two billion, two hundred twenty-one million, two hundred ten thousand, one hundred thirty-one".