112221022211209 has 2 divisors, whose sum is σ = 112221022211210. Its totient is φ = 112221022211208.

The previous prime is 112221022211149. The next prime is 112221022211213. The reversal of 112221022211209 is 902112220122211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69741873345600 + 42479148865609 = 8351160^2 + 6517603^2 .

It is a cyclic number.

It is not a de Polignac number, because 112221022211209 - 2²⁹ = 112220485340297 is a prime.

It is a super-2 number, since 2×112221022211209² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112221022211269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110511105604 + 56110511105605.

It is an arithmetic number, because the mean of its divisors is an integer number (56110511105605).

Almost surely, 2^{112221022211209} is an apocalyptic number.

It is an amenable number.

112221022211209 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221022211209 is an equidigital number, since it uses as much as digits as its factorization.

112221022211209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 112221022211209 in words is "one hundred twelve trillion, two hundred twenty-one billion, twenty-two million, two hundred eleven thousand, two hundred nine".