22011200220157 has 2 divisors, whose sum is σ = 22011200220158. Its totient is φ = 22011200220156.

The previous prime is 22011200220077. The next prime is 22011200220167. The reversal of 22011200220157 is 75102200211022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20855534369796 + 1155665850361 = 4566786^2 + 1075019^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011200220157 - 2⁷ = 22011200220029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011200220167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005600110078 + 11005600110079.

It is an arithmetic number, because the mean of its divisors is an integer number (11005600110079).

Almost surely, 2^{22011200220157} is an apocalyptic number.

It is an amenable number.

22011200220157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011200220157 is an equidigital number, since it uses as much as digits as its factorization.

22011200220157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

Adding to 22011200220157 its reverse (75102200211022), we get a palindrome (97113400431179).

The spelling of 22011200220157 in words is "twenty-two trillion, eleven billion, two hundred million, two hundred twenty thousand, one hundred fifty-seven".