2124201156 has 288 divisors, whose sum is σ = 6674088960. Its totient is φ = 518918400.

The previous prime is 2124201139. The next prime is 2124201173. The reversal of 2124201156 is 6511024212.

It is an interprime number because it is at equal distance from previous prime (2124201139) and next prime (2124201173).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16215211 + ... + 16215341.

It is an arithmetic number, because the mean of its divisors is an integer number (23173920).

Almost surely, 2^2124201156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2124201156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3337044480).

2124201156 is an abundant number, since it is smaller than the sum of its proper divisors (4549887804).

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

2124201156 is a wasteful number, since it uses less digits than its factorization.

2124201156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2124201156 is about 46089.0567922582. The cubic root of 2124201156 is about 1285.4796729514.

Adding to 2124201156 its reverse (6511024212), we get a palindrome (8635225368).

The spelling of 2124201156 in words is "two billion, one hundred twenty-four million, two hundred one thousand, one hundred fifty-six".