111120002021 has 16 divisors (see below), whose sum is σ = 135561000960. Its totient is φ = 88961891760.

The previous prime is 111120002011. The next prime is 111120002023. The reversal of 111120002021 is 120200021111.

It is not a de Polignac number, because 111120002021 - 2¹⁰ = 111120000997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111120001993 and 111120002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120002023) 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, 5874281 + ... + 5893166.

It is an arithmetic number, because the mean of its divisors is an integer number (8472562560).

Almost surely, 2^111120002021 is an apocalyptic number.

It is an amenable number.

111120002021 is a deficient number, since it is larger than the sum of its proper divisors (24440998939).

111120002021 is a wasteful number, since it uses less digits than its factorization.

111120002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11767544.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111120002021 its reverse (120200021111), we get a palindrome (231320023132).

The spelling of 111120002021 in words is "one hundred eleven billion, one hundred twenty million, two thousand, twenty-one".