110102012121 has 16 divisors (see below), whose sum is σ = 148175414336. Its totient is φ = 72717854976.

The previous prime is 110102012113. The next prime is 110102012123. The reversal of 110102012121 is 121210201011.

It is not a de Polignac number, because 110102012121 - 2³ = 110102012113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110102012097 and 110102012106.

It is not an unprimeable number, because it can be changed into a prime (110102012123) 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, 206620 + ... + 512733.

It is an arithmetic number, because the mean of its divisors is an integer number (9260963396).

Almost surely, 2^110102012121 is an apocalyptic number.

It is an amenable number.

110102012121 is a deficient number, since it is larger than the sum of its proper divisors (38073402215).

110102012121 is a wasteful number, since it uses less digits than its factorization.

110102012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719832.

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

Adding to 110102012121 its reverse (121210201011), we get a palindrome (231312213132).

The spelling of 110102012121 in words is "one hundred ten billion, one hundred two million, twelve thousand, one hundred twenty-one".