221021001096 has 32 divisors (see below), whose sum is σ = 631488575040. Its totient is φ = 63148857408.

The previous prime is 221021001031. The next prime is 221021001101. The reversal of 221021001096 is 690100120122.

221021001096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657800431 + ... + 657800766.

It is an arithmetic number, because the mean of its divisors is an integer number (19734017970).

Almost surely, 2^221021001096 is an apocalyptic number.

It is an amenable number.

221021001096 is an abundant number, since it is smaller than the sum of its proper divisors (410467573944).

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

221021001096 is a wasteful number, since it uses less digits than its factorization.

221021001096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315601213 (or 1315601209 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 221021001096 in words is "two hundred twenty-one billion, twenty-one million, one thousand, ninety-six".