22111012951 has 2 divisors, whose sum is σ = 22111012952. Its totient is φ = 22111012950.

The previous prime is 22111012943. The next prime is 22111012969. The reversal of 22111012951 is 15921011122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22111012951 - 2³ = 22111012943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22111012921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055506475 + 11055506476.

It is an arithmetic number, because the mean of its divisors is an integer number (11055506476).

Almost surely, 2^22111012951 is an apocalyptic number.

22111012951 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111012951 is an equidigital number, since it uses as much as digits as its factorization.

22111012951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 25.

The spelling of 22111012951 in words is "twenty-two billion, one hundred eleven million, twelve thousand, nine hundred fifty-one".