22891631011 has 2 divisors, whose sum is σ = 22891631012. Its totient is φ = 22891631010.

The previous prime is 22891631003. The next prime is 22891631033. The reversal of 22891631011 is 11013619822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22891631011 - 2³ = 22891631003 is a prime.

It is not a weakly prime, because it can be changed into another prime (22891631111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11445815505 + 11445815506.

It is an arithmetic number, because the mean of its divisors is an integer number (11445815506).

Almost surely, 2^22891631011 is an apocalyptic number.

22891631011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22891631011 is an equidigital number, since it uses as much as digits as its factorization.

22891631011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 22891631011 in words is "twenty-two billion, eight hundred ninety-one million, six hundred thirty-one thousand, eleven".