2141154120 has 128 divisors (see below), whose sum is σ = 7351430400. Its totient is φ = 488718336.

The previous prime is 2141154109. The next prime is 2141154139. The reversal of 2141154120 is 214511412.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 819376 + ... + 821984.

It is an arithmetic number, because the mean of its divisors is an integer number (57433050).

Almost surely, 2^2141154120 is an apocalyptic number.

2141154120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2141154120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3675715200).

2141154120 is an abundant number, since it is smaller than the sum of its proper divisors (5210276280).

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

2141154120 is a wasteful number, since it uses less digits than its factorization.

2141154120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607 (or 3603 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2141154120 is about 46272.6065831611. The cubic root of 2141154120 is about 1288.8903624086.

Adding to 2141154120 its reverse (214511412), we get a palindrome (2355665532).

The spelling of 2141154120 in words is "two billion, one hundred forty-one million, one hundred fifty-four thousand, one hundred twenty".