1040112221129 has 2 divisors, whose sum is σ = 1040112221130. Its totient is φ = 1040112221128.

The previous prime is 1040112221089. The next prime is 1040112221167. The reversal of 1040112221129 is 9211222110401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885546871225 + 154565349904 = 941035^2 + 393148^2 .

It is an emirp because it is prime and its reverse (9211222110401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1040112221129 - 2¹² = 1040112217033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1040112221098 and 1040112221107.

It is not a weakly prime, because it can be changed into another prime (1040112221179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520056110564 + 520056110565.

It is an arithmetic number, because the mean of its divisors is an integer number (520056110565).

Almost surely, 2^{1040112221129} is an apocalyptic number.

It is an amenable number.

1040112221129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040112221129 is an equidigital number, since it uses as much as digits as its factorization.

1040112221129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 1040112221129 in words is "one trillion, forty billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twenty-nine".