22211237051 has 2 divisors, whose sum is σ = 22211237052. Its totient is φ = 22211237050.

The previous prime is 22211236997. The next prime is 22211237117. The reversal of 22211237051 is 15073211222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22211237051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22211237051.

It is not a weakly prime, because it can be changed into another prime (22211237351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105618525 + 11105618526.

It is an arithmetic number, because the mean of its divisors is an integer number (11105618526).

Almost surely, 2^22211237051 is an apocalyptic number.

22211237051 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211237051 is an equidigital number, since it uses as much as digits as its factorization.

22211237051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 22211237051 its reverse (15073211222), we get a palindrome (37284448273).

The spelling of 22211237051 in words is "twenty-two billion, two hundred eleven million, two hundred thirty-seven thousand, fifty-one".