22221104115151 has 2 divisors, whose sum is σ = 22221104115152. Its totient is φ = 22221104115150.

The previous prime is 22221104115131. The next prime is 22221104115169. The reversal of 22221104115151 is 15151140112222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22221104115151 - 2⁹ = 22221104114639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221104115131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110552057575 + 11110552057576.

It is an arithmetic number, because the mean of its divisors is an integer number (11110552057576).

Almost surely, 2^{22221104115151} is an apocalyptic number.

22221104115151 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221104115151 is an equidigital number, since it uses as much as digits as its factorization.

22221104115151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 28.

Adding to 22221104115151 its reverse (15151140112222), we get a palindrome (37372244227373).

The spelling of 22221104115151 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred four million, one hundred fifteen thousand, one hundred fifty-one".