110012111020021 has 16 divisors (see below), whose sum is σ = 126112447694848. Its totient is φ = 94008159100800.

The previous prime is 110012111019991. The next prime is 110012111020027. The reversal of 110012111020021 is 120020111210011.

It is a happy number.

It is not a de Polignac number, because 110012111020021 - 2³⁵ = 109977751281653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110012111019983 and 110012111020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110012111020027) 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, 8353680 + ... + 17023753.

It is an arithmetic number, because the mean of its divisors is an integer number (7882027980928).

Almost surely, 2^{110012111020021} is an apocalyptic number.

It is an amenable number.

110012111020021 is a deficient number, since it is larger than the sum of its proper divisors (16100336674827).

110012111020021 is a wasteful number, since it uses less digits than its factorization.

110012111020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25379332.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 110012111020021 its reverse (120020111210011), we get a palindrome (230032222230032).

The spelling of 110012111020021 in words is "one hundred ten trillion, twelve billion, one hundred eleven million, twenty thousand, twenty-one".