110011210031021 has 12 divisors (see below), whose sum is σ = 119125188004500. Its totient is φ = 101548277925120.

The previous prime is 110011210030973. The next prime is 110011210031057. The reversal of 110011210031021 is 120130012110011.

It can be written as a sum of positive squares in 6 ways, for example, as 66934815076900 + 43076394954121 = 8181370^2 + 6563261^2 .

It is not a de Polignac number, because 110011210031021 - 2³⁰ = 110010136289197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110011210030987 and 110011210031005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110011210031071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32747711 + ... + 35950451.

It is an arithmetic number, because the mean of its divisors is an integer number (9927099000375).

Almost surely, 2^{110011210031021} is an apocalyptic number.

It is an amenable number.

110011210031021 is a deficient number, since it is larger than the sum of its proper divisors (9113977973479).

110011210031021 is a wasteful number, since it uses less digits than its factorization.

110011210031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406016 (or 3406003 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 110011210031021 its reverse (120130012110011), we get a palindrome (230141222141032).

The spelling of 110011210031021 in words is "one hundred ten trillion, eleven billion, two hundred ten million, thirty-one thousand, twenty-one".