111201021120011 has 8 divisors (see below), whose sum is σ = 112501375428624. Its totient is φ = 109908205097760.

The previous prime is 111201021119989. The next prime is 111201021120023. The reversal of 111201021120011 is 110021120102111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111201021120011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111201021120611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1884541916 + ... + 1884600921.

It is an arithmetic number, because the mean of its divisors is an integer number (14062671928578).

Almost surely, 2^{111201021120011} is an apocalyptic number.

111201021120011 is a deficient number, since it is larger than the sum of its proper divisors (1300354308613).

111201021120011 is a wasteful number, since it uses less digits than its factorization.

111201021120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769143181.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111201021120011 its reverse (110021120102111), we get a palindrome (221222141222122).

The spelling of 111201021120011 in words is "one hundred eleven trillion, two hundred one billion, twenty-one million, one hundred twenty thousand, eleven".