101673720221 has 8 divisors (see below), whose sum is σ = 103850861184. Its totient is φ = 99497157280.

The previous prime is 101673720149. The next prime is 101673720233. The reversal of 101673720221 is 122027376101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101673720221 - 2¹⁰ = 101673719197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101673729221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220841 + ... + 502113.

It is an arithmetic number, because the mean of its divisors is an integer number (12981357648).

Almost surely, 2^101673720221 is an apocalyptic number.

It is an amenable number.

101673720221 is a deficient number, since it is larger than the sum of its proper divisors (2177140963).

101673720221 is an equidigital number, since it uses as much as digits as its factorization.

101673720221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289011.

The product of its (nonzero) digits is 7056, while the sum is 32.

The spelling of 101673720221 in words is "one hundred one billion, six hundred seventy-three million, seven hundred twenty thousand, two hundred twenty-one".