2141121204 has 36 divisors (see below), whose sum is σ = 5436141984. Its totient is φ = 710560272.

The previous prime is 2141121193. The next prime is 2141121239. The reversal of 2141121204 is 4021211412.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122832 + ... + 139175.

It is an arithmetic number, because the mean of its divisors is an integer number (151003944).

Almost surely, 2^2141121204 is an apocalyptic number.

It is an amenable number.

2141121204 is an abundant number, since it is smaller than the sum of its proper divisors (3295020780).

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

2141121204 is a wasteful number, since it uses less digits than its factorization.

2141121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262244 (or 262239 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2141121204 is about 46272.2509069961. The cubic root of 2141121204 is about 1288.8837576633.

Adding to 2141121204 its reverse (4021211412), we get a palindrome (6162332616).

The spelling of 2141121204 in words is "two billion, one hundred forty-one million, one hundred twenty-one thousand, two hundred four".