111010120002021 has 8 divisors (see below), whose sum is σ = 148013630048160. Its totient is φ = 74006678311952.

The previous prime is 111010120001993. The next prime is 111010120002029. The reversal of 111010120002021 is 120200021010111.

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

It is a cyclic number.

It is not a de Polignac number, because 111010120002021 - 2¹⁵ = 111010119969253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111010120001988 and 111010120002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010120002029) 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, 13171386 + ... + 19887323.

It is an arithmetic number, because the mean of its divisors is an integer number (18501703756020).

Almost surely, 2^{111010120002021} is an apocalyptic number.

It is an amenable number.

111010120002021 is a deficient number, since it is larger than the sum of its proper divisors (37003510046139).

111010120002021 is a wasteful number, since it uses less digits than its factorization.

111010120002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34178035.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111010120002021 its reverse (120200021010111), we get a palindrome (231210141012132).

The spelling of 111010120002021 in words is "one hundred eleven trillion, ten billion, one hundred twenty million, two thousand, twenty-one".