221012101324 has 24 divisors (see below), whose sum is σ = 442111380480. Its totient is φ = 94700791056.

The previous prime is 221012101319. The next prime is 221012101339. The reversal of 221012101324 is 423101210122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633394 + ... + 918265.

It is an arithmetic number, because the mean of its divisors is an integer number (18421307520).

Almost surely, 2^221012101324 is an apocalyptic number.

It is an amenable number.

221012101324 is an abundant number, since it is smaller than the sum of its proper divisors (221099279156).

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

221012101324 is a wasteful number, since it uses less digits than its factorization.

221012101324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556757 (or 1556755 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 221012101324 its reverse (423101210122), we get a palindrome (644113311446).

The spelling of 221012101324 in words is "two hundred twenty-one billion, twelve million, one hundred one thousand, three hundred twenty-four".