2141121234 has 64 divisors (see below), whose sum is σ = 4938209280. Its totient is φ = 606251520.

The previous prime is 2141121193. The next prime is 2141121239. The reversal of 2141121234 is 4321211412.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2141121234.

It is not an unprimeable number, because it can be changed into a prime (2141121239) 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, 3181122 + ... + 3181794.

It is an arithmetic number, because the mean of its divisors is an integer number (77159520).

Almost surely, 2^2141121234 is an apocalyptic number.

2141121234 is an abundant number, since it is smaller than the sum of its proper divisors (2797088046).

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

2141121234 is a wasteful number, since it uses less digits than its factorization.

2141121234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255.

The product of its digits is 384, while the sum is 21.

The square root of 2141121234 is about 46272.2512311645. The cubic root of 2141121234 is about 1288.8837636830.

Adding to 2141121234 its reverse (4321211412), we get a palindrome (6462332646).

The spelling of 2141121234 in words is "two billion, one hundred forty-one million, one hundred twenty-one thousand, two hundred thirty-four".