1111012120201 has 16 divisors (see below), whose sum is σ = 1138035858048. Its totient is φ = 1084319622400.

The previous prime is 1111012120171. The next prime is 1111012120259. The reversal of 1111012120201 is 1020212101111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1111012120201 - 2⁷ = 1111012120073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111012120271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10285791 + ... + 10393243.

It is an arithmetic number, because the mean of its divisors is an integer number (71127241128).

Almost surely, 2^{1111012120201} is an apocalyptic number.

It is an amenable number.

1111012120201 is a deficient number, since it is larger than the sum of its proper divisors (27023737847).

1111012120201 is a wasteful number, since it uses less digits than its factorization.

1111012120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108992.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1111012120201 its reverse (1020212101111), we get a palindrome (2131224221312).

The spelling of 1111012120201 in words is "one trillion, one hundred eleven billion, twelve million, one hundred twenty thousand, two hundred one".