22002221101057 has 2 divisors, whose sum is σ = 22002221101058. Its totient is φ = 22002221101056.

The previous prime is 22002221100983. The next prime is 22002221101291. The reversal of 22002221101057 is 75010112220022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19013053276816 + 2989167824241 = 4360396^2 + 1728921^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22002221101057 is a prime.

It is not a weakly prime, because it can be changed into another prime (22002221104057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001110550528 + 11001110550529.

It is an arithmetic number, because the mean of its divisors is an integer number (11001110550529).

Almost surely, 2^{22002221101057} is an apocalyptic number.

It is an amenable number.

22002221101057 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002221101057 is an equidigital number, since it uses as much as digits as its factorization.

22002221101057 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 22002221101057 its reverse (75010112220022), we get a palindrome (97012333321079).

The spelling of 22002221101057 in words is "twenty-two trillion, two billion, two hundred twenty-one million, one hundred one thousand, fifty-seven".