22211112009949 has 2 divisors, whose sum is σ = 22211112009950. Its totient is φ = 22211112009948.

The previous prime is 22211112009943. The next prime is 22211112010033. The reversal of 22211112009949 is 94990021111222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21889129530724 + 321982479225 = 4678582^2 + 567435^2 .

It is a cyclic number.

It is not a de Polignac number, because 22211112009949 - 2²⁹ = 22210575139037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22211112009943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105556004974 + 11105556004975.

It is an arithmetic number, because the mean of its divisors is an integer number (11105556004975).

Almost surely, 2^{22211112009949} is an apocalyptic number.

It is an amenable number.

22211112009949 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211112009949 is an equidigital number, since it uses as much as digits as its factorization.

22211112009949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 22211112009949 in words is "twenty-two trillion, two hundred eleven billion, one hundred twelve million, nine thousand, nine hundred forty-nine".