221241175000 has 48 divisors (see below), whose sum is σ = 518500876320. Its totient is φ = 88496460000.

The previous prime is 221241174997. The next prime is 221241175009. The reversal of 221241175000 is 571142122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221241175009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4399824 + ... + 4449823.

It is an arithmetic number, because the mean of its divisors is an integer number (10802101590).

Almost surely, 2^221241175000 is an apocalyptic number.

221241175000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221241175000 is an abundant number, since it is smaller than the sum of its proper divisors (297259701320).

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

221241175000 is an frugal number, since it uses more digits than its factorization.

221241175000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8849678 (or 8849654 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The spelling of 221241175000 in words is "two hundred twenty-one billion, two hundred forty-one million, one hundred seventy-five thousand".