1122122221229 has 2 divisors, whose sum is σ = 1122122221230. Its totient is φ = 1122122221228.

The previous prime is 1122122221117. The next prime is 1122122221267. The reversal of 1122122221229 is 9221222212211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 807305844004 + 314816377225 = 898502^2 + 561085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122122221229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122122221729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561061110614 + 561061110615.

It is an arithmetic number, because the mean of its divisors is an integer number (561061110615).

Almost surely, 2^{1122122221229} is an apocalyptic number.

It is an amenable number.

1122122221229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122122221229 is an equidigital number, since it uses as much as digits as its factorization.

1122122221229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 29.

The spelling of 1122122221229 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred twenty-nine".