2152321152100 has 72 divisors (see below), whose sum is σ = 5417424582080. Its totient is φ = 726924654720.

The previous prime is 2152321152071. The next prime is 2152321152131. The reversal of 2152321152100 is 12511232512.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22898955 + ... + 22992754.

Almost surely, 2^{2152321152100} is an apocalyptic number.

2152321152100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152321152100 is an abundant number, since it is smaller than the sum of its proper divisors (3265103429980).

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

2152321152100 is a wasteful number, since it uses less digits than its factorization.

2152321152100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45891797 (or 45891790 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 2152321152100 its reverse (12511232512), we get a palindrome (2164832384612).

The spelling of 2152321152100 in words is "two trillion, one hundred fifty-two billion, three hundred twenty-one million, one hundred fifty-two thousand, one hundred".