1122211201009 has 2 divisors, whose sum is σ = 1122211201010. Its totient is φ = 1122211201008.

The previous prime is 1122211200991. The next prime is 1122211201031. The reversal of 1122211201009 is 9001021122211.

It is an a-pointer prime, because the next prime (1122211201031) can be obtained adding 1122211201009 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1115076864784 + 7134336225 = 1055972^2 + 84465^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122211201009 - 2⁵ = 1122211200977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122211201039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561105600504 + 561105600505.

It is an arithmetic number, because the mean of its divisors is an integer number (561105600505).

Almost surely, 2^{1122211201009} is an apocalyptic number.

It is an amenable number.

1122211201009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122211201009 is an equidigital number, since it uses as much as digits as its factorization.

1122211201009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 1122211201009 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, two hundred one thousand, nine".