1111001121201 has 12 divisors (see below), whose sum is σ = 1496146765616. Its totient is φ = 733334053200.

The previous prime is 1111001121151. The next prime is 1111001121221. The reversal of 1111001121201 is 1021211001111.

It is not a de Polignac number, because 1111001121201 - 2⁶ = 1111001121137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111001121221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18121231 + ... + 18182436.

Almost surely, 2^{1111001121201} is an apocalyptic number.

It is an amenable number.

1111001121201 is a deficient number, since it is larger than the sum of its proper divisors (385145644415).

1111001121201 is an equidigital number, since it uses as much as digits as its factorization.

1111001121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36303872 (or 36303771 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1111001121201 its reverse (1021211001111), we get a palindrome (2132212122312).

The spelling of 1111001121201 in words is "one trillion, one hundred eleven billion, one million, one hundred twenty-one thousand, two hundred one".