110010002121 has 32 divisors (see below), whose sum is σ = 172184947200. Its totient is φ = 69304394880.

The previous prime is 110010002107. The next prime is 110010002129. The reversal of 110010002121 is 121200010011.

It is a happy number.

It is not a de Polignac number, because 110010002121 - 2¹⁰ = 110010001097 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (110010002129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1457860 + ... + 1531461.

It is an arithmetic number, because the mean of its divisors is an integer number (5380779600).

Almost surely, 2^110010002121 is an apocalyptic number.

It is an amenable number.

110010002121 is a deficient number, since it is larger than the sum of its proper divisors (62174945079).

110010002121 is a wasteful number, since it uses less digits than its factorization.

110010002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989406 (or 2989400 counting only the distinct ones).

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

Adding to 110010002121 its reverse (121200010011), we get a palindrome (231210012132).

The spelling of 110010002121 in words is "one hundred ten billion, ten million, two thousand, one hundred twenty-one".