1111120010001 has 8 divisors (see below), whose sum is σ = 1646103718560. Its totient is φ = 740746673316.

The previous prime is 1111120009963. The next prime is 1111120010027. The reversal of 1111120010001 is 1000100211111.

It is not a de Polignac number, because 1111120010001 - 2⁷ = 1111120009873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1111120010071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20576296455 + ... + 20576296508.

It is an arithmetic number, because the mean of its divisors is an integer number (205762964820).

Almost surely, 2^{1111120010001} is an apocalyptic number.

It is an amenable number.

1111120010001 is a deficient number, since it is larger than the sum of its proper divisors (534983708559).

1111120010001 is an equidigital number, since it uses as much as digits as its factorization.

1111120010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41152592972 (or 41152592966 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1111120010001 its reverse (1000100211111), we get a palindrome (2111220221112).

The spelling of 1111120010001 in words is "one trillion, one hundred eleven billion, one hundred twenty million, ten thousand, one".