22311121221049 has 2 divisors, whose sum is σ = 22311121221050. Its totient is φ = 22311121221048.

The previous prime is 22311121220989. The next prime is 22311121221091. The reversal of 22311121221049 is 94012212111322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21990659936400 + 320461284649 = 4689420^2 + 566093^2 .

It is a cyclic number.

It is not a de Polignac number, because 22311121221049 - 2¹³ = 22311121212857 is a prime.

It is a super-3 number, since 3×22311121221049³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 22311121221049.

It is not a weakly prime, because it can be changed into another prime (22311121201049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11155560610524 + 11155560610525.

It is an arithmetic number, because the mean of its divisors is an integer number (11155560610525).

Almost surely, 2^{22311121221049} is an apocalyptic number.

It is an amenable number.

22311121221049 is a deficient number, since it is larger than the sum of its proper divisors (1).

22311121221049 is an equidigital number, since it uses as much as digits as its factorization.

22311121221049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 22311121221049 in words is "twenty-two trillion, three hundred eleven billion, one hundred twenty-one million, two hundred twenty-one thousand, forty-nine".