111220011022101 has 16 divisors (see below), whose sum is σ = 152470813463808. Its totient is φ = 72071287833600.

The previous prime is 111220011022069. The next prime is 111220011022123. The reversal of 111220011022101 is 101220110022111.

It is a happy number.

It is not a de Polignac number, because 111220011022101 - 2⁵ = 111220011022069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220011022501) 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, 1668283516 + ... + 1668350181.

It is an arithmetic number, because the mean of its divisors is an integer number (9529425841488).

Almost surely, 2^{111220011022101} is an apocalyptic number.

It is an amenable number.

111220011022101 is a deficient number, since it is larger than the sum of its proper divisors (41250802441707).

111220011022101 is a wasteful number, since it uses less digits than its factorization.

111220011022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336634012.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111220011022101 its reverse (101220110022111), we get a palindrome (212440121044212).

The spelling of 111220011022101 in words is "one hundred eleven trillion, two hundred twenty billion, eleven million, twenty-two thousand, one hundred one".