110012121 has 8 divisors (see below), whose sum is σ = 162980960. Its totient is φ = 73341396.

The previous prime is 110012113. The next prime is 110012141. The reversal of 110012121 is 121210011.

It is a happy number.

It is not a de Polignac number, because 110012121 - 2³ = 110012113 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 (110012141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2037235 + ... + 2037288.

It is an arithmetic number, because the mean of its divisors is an integer number (20372620).

Almost surely, 2^110012121 is an apocalyptic number.

It is an amenable number.

110012121 is a deficient number, since it is larger than the sum of its proper divisors (52968839).

110012121 is an equidigital number, since it uses as much as digits as its factorization.

110012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074532 (or 4074526 counting only the distinct ones).

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

The square root of 110012121 is about 10488.6663117863. Note that the first 3 decimals coincide. The cubic root of 110012121 is about 479.1595840902.

Adding to 110012121 its reverse (121210011), we get a palindrome (231222132).

The spelling of 110012121 in words is "one hundred ten million, twelve thousand, one hundred twenty-one".