22201201111157 has 2 divisors, whose sum is σ = 22201201111158. Its totient is φ = 22201201111156.

The previous prime is 22201201111139. The next prime is 22201201111181. The reversal of 22201201111157 is 75111110210222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21018868913956 + 1182332197201 = 4584634^2 + 1087351^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201201111157 - 2²⁴ = 22201184333941 is a prime.

It is a super-2 number, since 2×22201201111157² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201201111457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100600555578 + 11100600555579.

It is an arithmetic number, because the mean of its divisors is an integer number (11100600555579).

Almost surely, 2^{22201201111157} is an apocalyptic number.

It is an amenable number.

22201201111157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201201111157 is an equidigital number, since it uses as much as digits as its factorization.

22201201111157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 26.

Adding to 22201201111157 its reverse (75111110210222), we get a palindrome (97312311321379).

The spelling of 22201201111157 in words is "twenty-two trillion, two hundred one billion, two hundred one million, one hundred eleven thousand, one hundred fifty-seven".