1122211999999 has 2 divisors, whose sum is σ = 1122212000000. Its totient is φ = 1122211999998.

The previous prime is 1122211999991. The next prime is 1122212000083. The reversal of 1122211999999 is 9999991122211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122211999999 - 2³ = 1122211999991 is a prime.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1122211999999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122211999991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561105999999 + 561106000000.

It is an arithmetic number, because the mean of its divisors is an integer number (561106000000).

Almost surely, 2^{1122211999999} is an apocalyptic number.

1122211999999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122211999999 is an equidigital number, since it uses as much as digits as its factorization.

1122211999999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4251528, while the sum is 64.

The spelling of 1122211999999 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, nine hundred ninety-nine thousand, nine hundred ninety-nine".