1122211525009 has 2 divisors, whose sum is σ = 1122211525010. Its totient is φ = 1122211525008.

The previous prime is 1122211524961. The next prime is 1122211525013. The reversal of 1122211525009 is 9005251122211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 989831979409 + 132379545600 = 994903^2 + 363840^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122211525009 - 2¹⁹ = 1122211000721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122211525079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561105762504 + 561105762505.

It is an arithmetic number, because the mean of its divisors is an integer number (561105762505).

Almost surely, 2^{1122211525009} is an apocalyptic number.

It is an amenable number.

1122211525009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122211525009 is an equidigital number, since it uses as much as digits as its factorization.

1122211525009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 31.

The spelling of 1122211525009 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, five hundred twenty-five thousand, nine".