22112221011953 has 2 divisors, whose sum is σ = 22112221011954. Its totient is φ = 22112221011952.

The previous prime is 22112221011941. The next prime is 22112221012039. The reversal of 22112221011953 is 35911012221122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20771426074624 + 1340794937329 = 4557568^2 + 1157927^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112221011953 - 2¹⁸ = 22112220749809 is a prime.

It is not a weakly prime, because it can be changed into another prime (22112221011913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056110505976 + 11056110505977.

It is an arithmetic number, because the mean of its divisors is an integer number (11056110505977).

Almost surely, 2^{22112221011953} is an apocalyptic number.

It is an amenable number.

22112221011953 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112221011953 is an equidigital number, since it uses as much as digits as its factorization.

22112221011953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 22112221011953 in words is "twenty-two trillion, one hundred twelve billion, two hundred twenty-one million, eleven thousand, nine hundred fifty-three".