1111011121049 has 2 divisors, whose sum is σ = 1111011121050. Its totient is φ = 1111011121048.

The previous prime is 1111011120991. The next prime is 1111011121139. The reversal of 1111011121049 is 9401211101111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1097323291024 + 13687830025 = 1047532^2 + 116995^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111011121049 - 2⁴⁰ = 11499493273 is a prime.

It is a super-2 number, since 2×1111011121049² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1111011127049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555505560524 + 555505560525.

It is an arithmetic number, because the mean of its divisors is an integer number (555505560525).

Almost surely, 2^{1111011121049} is an apocalyptic number.

It is an amenable number.

1111011121049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111011121049 is an equidigital number, since it uses as much as digits as its factorization.

1111011121049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 23.

The spelling of 1111011121049 in words is "one trillion, one hundred eleven billion, eleven million, one hundred twenty-one thousand, forty-nine".