1122428596691 has 2 divisors, whose sum is σ = 1122428596692. Its totient is φ = 1122428596690.

The previous prime is 1122428596631. The next prime is 1122428596727. The reversal of 1122428596691 is 1966958242211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122428596691 - 2²² = 1122424402387 is a prime.

It is a super-2 number, since 2×1122428596691² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1122428596621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561214298345 + 561214298346.

It is an arithmetic number, because the mean of its divisors is an integer number (561214298346).

Almost surely, 2^{1122428596691} is an apocalyptic number.

1122428596691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122428596691 is an equidigital number, since it uses as much as digits as its factorization.

1122428596691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 56.

The spelling of 1122428596691 in words is "one trillion, one hundred twenty-two billion, four hundred twenty-eight million, five hundred ninety-six thousand, six hundred ninety-one".