110402121 has 4 divisors (see below), whose sum is σ = 147202832. Its totient is φ = 73601412.

The previous prime is 110402119. The next prime is 110402143. The reversal of 110402121 is 121204011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 110402121 - 2¹ = 110402119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110402097 and 110402106.

It is not an unprimeable number, because it can be changed into a prime (110402221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18400351 + ... + 18400356.

It is an arithmetic number, because the mean of its divisors is an integer number (36800708).

Almost surely, 2^110402121 is an apocalyptic number.

It is an amenable number.

110402121 is a deficient number, since it is larger than the sum of its proper divisors (36800711).

110402121 is an equidigital number, since it uses as much as digits as its factorization.

110402121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36800710.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 110402121 is about 10507.2413601287. The cubic root of 110402121 is about 479.7251334294.

Adding to 110402121 its reverse (121204011), we get a palindrome (231606132).

The spelling of 110402121 in words is "one hundred ten million, four hundred two thousand, one hundred twenty-one".