215553213102 has 32 divisors (see below), whose sum is σ = 433618243200. Its totient is φ = 71433331488.

The previous prime is 215553213077. The next prime is 215553213131. The reversal of 215553213102 is 201312355512.

215553213102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 215553213102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854049 + ... + 1077267.

It is an arithmetic number, because the mean of its divisors is an integer number (13550570100).

Almost surely, 2^215553213102 is an apocalyptic number.

215553213102 is an abundant number, since it is smaller than the sum of its proper divisors (218065030098).

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

215553213102 is a wasteful number, since it uses less digits than its factorization.

215553213102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224160.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 215553213102 its reverse (201312355512), we get a palindrome (416865568614).

The spelling of 215553213102 in words is "two hundred fifteen billion, five hundred fifty-three million, two hundred thirteen thousand, one hundred two".