2151120000 has 160 divisors (see below), whose sum is σ = 7140901680. Its totient is φ = 573568000.

The previous prime is 2151119987. The next prime is 2151120029. The reversal of 2151120000 is 211512.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 235519 + ... + 244481.

Almost surely, 2^2151120000 is an apocalyptic number.

2151120000 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 2151120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3570450840).

2151120000 is an abundant number, since it is smaller than the sum of its proper divisors (4989781680).

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

2151120000 is an frugal number, since it uses more digits than its factorization.

2151120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000 (or 8973 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 2151120000 is about 46380.1681756330. The cubic root of 2151120000 is about 1290.8869568740.

Adding to 2151120000 its reverse (211512), we get a palindrome (2151331512).

The spelling of 2151120000 in words is "two billion, one hundred fifty-one million, one hundred twenty thousand".