111011201000001 has 112 divisors (see below), whose sum is σ = 172867830720000. Its totient is φ = 71180169327360.

The previous prime is 111011200999913. The next prime is 111011201000093. The reversal of 111011201000001 is 100000102110111.

It is not a de Polignac number, because 111011201000001 - 2³¹ = 111009053516353 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 (111011201000201) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 2944653450 + ... + 2944691148.

Almost surely, 2^{111011201000001} is an apocalyptic number.

It is an amenable number.

111011201000001 is a deficient number, since it is larger than the sum of its proper divisors (61856629719999).

111011201000001 is an equidigital number, since it uses as much as digits as its factorization.

111011201000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38546 (or 38531 counting only the distinct ones).

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

Adding to 111011201000001 its reverse (100000102110111), we get a palindrome (211011303110112).

The spelling of 111011201000001 in words is "one hundred eleven trillion, eleven billion, two hundred one million, one", and thus it is an aban number.