101693221 has 8 divisors (see below), whose sum is σ = 116864384. Its totient is φ = 86682960.

The previous prime is 101693219. The next prime is 101693233. The reversal of 101693221 is 122396101.

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

It is not a de Polignac number, because 101693221 - 2¹ = 101693219 is a prime.

It is a super-2 number, since 2×101693221² = 20683022394709682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101693261) 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, 38865 + ... + 41398.

It is an arithmetic number, because the mean of its divisors is an integer number (14608048).

Almost surely, 2^101693221 is an apocalyptic number.

It is an amenable number.

101693221 is a deficient number, since it is larger than the sum of its proper divisors (15171163).

101693221 is an equidigital number, since it uses as much as digits as its factorization.

101693221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80451.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 101693221 is about 10084.3056776359. The cubic root of 101693221 is about 466.7639801028.

The spelling of 101693221 in words is "one hundred one million, six hundred ninety-three thousand, two hundred twenty-one".