221330301000 has 64 divisors (see below), whose sum is σ = 690550548480. Its totient is φ = 59021412800.

The previous prime is 221330300969. The next prime is 221330301037. The reversal of 221330301000 is 103033122.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 36885384 + ... + 36891383.

It is an arithmetic number, because the mean of its divisors is an integer number (10789852320).

Almost surely, 2^221330301000 is an apocalyptic number.

221330301000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221330301000 is an abundant number, since it is smaller than the sum of its proper divisors (469220247480).

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

221330301000 is a wasteful number, since it uses less digits than its factorization.

221330301000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73776791 (or 73776777 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 221330301000 its reverse (103033122), we get a palindrome (221433334122).

The spelling of 221330301000 in words is "two hundred twenty-one billion, three hundred thirty million, three hundred one thousand".