22111212202153 has 2 divisors, whose sum is σ = 22111212202154. Its totient is φ = 22111212202152.

The previous prime is 22111212202139. The next prime is 22111212202201. The reversal of 22111212202153 is 35120221211122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22109819643664 + 1392558489 = 4702108^2 + 37317^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111212202153 - 2³⁷ = 21973773248681 is a prime.

It is not a weakly prime, because it can be changed into another prime (22111212200153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055606101076 + 11055606101077.

It is an arithmetic number, because the mean of its divisors is an integer number (11055606101077).

Almost surely, 2^{22111212202153} is an apocalyptic number.

It is an amenable number.

22111212202153 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111212202153 is an equidigital number, since it uses as much as digits as its factorization.

22111212202153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 22111212202153 its reverse (35120221211122), we get a palindrome (57231433413275).

The spelling of 22111212202153 in words is "twenty-two trillion, one hundred eleven billion, two hundred twelve million, two hundred two thousand, one hundred fifty-three".