22221031051 has 2 divisors, whose sum is σ = 22221031052. Its totient is φ = 22221031050.

The previous prime is 22221031037. The next prime is 22221031057. The reversal of 22221031051 is 15013012222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22221031051 - 2²⁷ = 22086813323 is a prime.

It is not a weakly prime, because it can be changed into another prime (22221031057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110515525 + 11110515526.

It is an arithmetic number, because the mean of its divisors is an integer number (11110515526).

Almost surely, 2^22221031051 is an apocalyptic number.

22221031051 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221031051 is an equidigital number, since it uses as much as digits as its factorization.

22221031051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 22221031051 its reverse (15013012222), we get a palindrome (37234043273).

The spelling of 22221031051 in words is "twenty-two billion, two hundred twenty-one million, thirty-one thousand, fifty-one".