1110121002 has 48 divisors (see below), whose sum is σ = 2468007360. Its totient is φ = 360417600.

The previous prime is 1110120959. The next prime is 1110121021. The reversal of 1110121002 is 2001210111.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 760149 + ... + 761607.

It is an arithmetic number, because the mean of its divisors is an integer number (51416820).

Almost surely, 2^1110121002 is an apocalyptic number.

1110121002 is an abundant number, since it is smaller than the sum of its proper divisors (1357886358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1110121002 is a wasteful number, since it uses less digits than its factorization.

1110121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539 (or 2536 counting only the distinct ones).

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

The square root of 1110121002 is about 33318.4783866250. The cubic root of 1110121002 is about 1035.4364273025.

Adding to 1110121002 its reverse (2001210111), we get a palindrome (3111331113).

The spelling of 1110121002 in words is "one billion, one hundred ten million, one hundred twenty-one thousand, two".