110102121 has 24 divisors (see below), whose sum is σ = 164213504. Its totient is φ = 71033760.

The previous prime is 110102089. The next prime is 110102143. The reversal of 110102121 is 121201011.

It is a happy number.

It is not a de Polignac number, because 110102121 - 2⁵ = 110102089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110102021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69480 + ... + 71046.

Almost surely, 2^110102121 is an apocalyptic number.

It is an amenable number.

110102121 is a deficient number, since it is larger than the sum of its proper divisors (54111383).

110102121 is a wasteful number, since it uses less digits than its factorization.

110102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821 (or 1818 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 110102121 is about 10492.9557799507. The cubic root of 110102121 is about 479.2902139627.

Adding to 110102121 its reverse (121201011), we get a palindrome (231303132).

It can be divided in two parts, 11010 and 2121, that added together give a palindrome (13131).

The spelling of 110102121 in words is "one hundred ten million, one hundred two thousand, one hundred twenty-one".