111011120020201 has 16 divisors (see below), whose sum is σ = 120937681022400. Its totient is φ = 101496211790400.

The previous prime is 111011120020193. The next prime is 111011120020243. The reversal of 111011120020201 is 102020021110111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111011120020201 - 2³ = 111011120020193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111011120020601) 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, 44132395 + ... + 46579936.

It is an arithmetic number, because the mean of its divisors is an integer number (7558605063900).

Almost surely, 2^{111011120020201} is an apocalyptic number.

It is an amenable number.

111011120020201 is a deficient number, since it is larger than the sum of its proper divisors (9926561002199).

111011120020201 is a wasteful number, since it uses less digits than its factorization.

111011120020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90714600.

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

Adding to 111011120020201 its reverse (102020021110111), we get a palindrome (213031141130312).

The spelling of 111011120020201 in words is "one hundred eleven trillion, eleven billion, one hundred twenty million, twenty thousand, two hundred one".