221535250134030 has 96 divisors (see below), whose sum is σ = 658296185586624. Its totient is φ = 50635089082368.

The previous prime is 221535250133999. The next prime is 221535250134031. The reversal of 221535250134030 is 30431052535122.

221535250134030 is a `hidden beast` number, since 2 + 2 + 1 + 5 + 35 + 250 + 1 + 340 + 30 = 666.

221535250134030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221535250134031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15456532 + ... + 26114648.

It is an arithmetic number, because the mean of its divisors is an integer number (6857251933194).

Almost surely, 2^{221535250134030} is an apocalyptic number.

221535250134030 is an abundant number, since it is smaller than the sum of its proper divisors (436760935452594).

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

221535250134030 is a wasteful number, since it uses less digits than its factorization.

221535250134030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10691130 (or 10691127 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 221535250134030 in words is "two hundred twenty-one trillion, five hundred thirty-five billion, two hundred fifty million, one hundred thirty-four thousand, thirty".