111012011201 has 24 divisors (see below), whose sum is σ = 139166475840. Its totient is φ = 87772743072.

The previous prime is 111012011191. The next prime is 111012011221. The reversal of 111012011201 is 102110210111.

It is not a de Polignac number, because 111012011201 - 2⁶ = 111012011137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111012011221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 869660 + ... + 989106.

It is an arithmetic number, because the mean of its divisors is an integer number (5798603160).

Almost surely, 2^111012011201 is an apocalyptic number.

It is an amenable number.

111012011201 is a deficient number, since it is larger than the sum of its proper divisors (28154464639).

111012011201 is a wasteful number, since it uses less digits than its factorization.

111012011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120933 (or 120926 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111012011201 its reverse (102110210111), we get a palindrome (213122221312).

The spelling of 111012011201 in words is "one hundred eleven billion, twelve million, eleven thousand, two hundred one".