221152250124 has 108 divisors (see below), whose sum is σ = 606013061472. Its totient is φ = 67970448000.

The previous prime is 221152250119. The next prime is 221152250131. The reversal of 221152250124 is 421052251122.

221152250124 is a `hidden beast` number, since 2 + 2 + 1 + 152 + 2 + 501 + 2 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5522574 + ... + 5562474.

Almost surely, 2^221152250124 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 221152250124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303006530736).

221152250124 is an abundant number, since it is smaller than the sum of its proper divisors (384860811348).

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

221152250124 is a wasteful number, since it uses less digits than its factorization.

221152250124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40848 (or 40830 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 221152250124 in words is "two hundred twenty-one billion, one hundred fifty-two million, two hundred fifty thousand, one hundred twenty-four".