2140121104 has 40 divisors (see below), whose sum is σ = 4526263872. Its totient is φ = 972174720.

The previous prime is 2140121099. The next prime is 2140121117. The reversal of 2140121104 is 4011210412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400917 + ... + 406219.

Almost surely, 2^2140121104 is an apocalyptic number.

It is an amenable number.

2140121104 is an abundant number, since it is smaller than the sum of its proper divisors (2386142768).

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

2140121104 is a wasteful number, since it uses less digits than its factorization.

2140121104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615 (or 7609 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2140121104 is about 46261.4429519876. The cubic root of 2140121104 is about 1288.6830507640.

Adding to 2140121104 its reverse (4011210412), we get a palindrome (6151331516).

The spelling of 2140121104 in words is "two billion, one hundred forty million, one hundred twenty-one thousand, one hundred four".