210000021152 has 24 divisors (see below), whose sum is σ = 413478878400. Its totient is φ = 104989512384.

The previous prime is 210000021151. The next prime is 210000021163. The reversal of 210000021152 is 251120000012.

It is not an unprimeable number, because it can be changed into a prime (210000021151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099 + ... + 648077.

It is an arithmetic number, because the mean of its divisors is an integer number (17228286600).

Almost surely, 2^210000021152 is an apocalyptic number.

It is an amenable number.

210000021152 is a deficient number, since it is larger than the sum of its proper divisors (203478857248).

210000021152 is a wasteful number, since it uses less digits than its factorization.

210000021152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656148 (or 656140 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 210000021152 its reverse (251120000012), we get a palindrome (461120021164).

The spelling of 210000021152 in words is "two hundred ten billion, twenty-one thousand, one hundred fifty-two".