111112201021011 has 8 divisors (see below), whose sum is σ = 148150190751744. Its totient is φ = 74074505985480.

The previous prime is 111112201020979. The next prime is 111112201021021. The reversal of 111112201021011 is 110120102211111.

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

It is not a de Polignac number, because 111112201021011 - 2⁵ = 111112201020979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111112201021021) 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, 72792531 + ... + 74303276.

It is an arithmetic number, because the mean of its divisors is an integer number (18518773843968).

Almost surely, 2^{111112201021011} is an apocalyptic number.

111112201021011 is a deficient number, since it is larger than the sum of its proper divisors (37037989730733).

111112201021011 is a wasteful number, since it uses less digits than its factorization.

111112201021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147347601.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111112201021011 its reverse (110120102211111), we get a palindrome (221232303232122).

The spelling of 111112201021011 in words is "one hundred eleven trillion, one hundred twelve billion, two hundred one million, twenty-one thousand, eleven".