22001122051 has 2 divisors, whose sum is σ = 22001122052. Its totient is φ = 22001122050.

The previous prime is 22001122019. The next prime is 22001122057. The reversal of 22001122051 is 15022110022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22001122051 - 2⁵ = 22001122019 is a prime.

It is not a weakly prime, because it can be changed into another prime (22001122057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000561025 + 11000561026.

It is an arithmetic number, because the mean of its divisors is an integer number (11000561026).

Almost surely, 2^22001122051 is an apocalyptic number.

22001122051 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001122051 is an equidigital number, since it uses as much as digits as its factorization.

22001122051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 22001122051 its reverse (15022110022), we get a palindrome (37023232073).

The spelling of 22001122051 in words is "twenty-two billion, one million, one hundred twenty-two thousand, fifty-one".