101357221 has 8 divisors (see below), whose sum is σ = 117800640. Its totient is φ = 85404768.

The previous prime is 101357167. The next prime is 101357227. The reversal of 101357221 is 122753101.

It is a happy number.

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 101357221 - 2⁷ = 101357093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101357192 and 101357201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101357227) 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, 122296 + ... + 123121.

It is an arithmetic number, because the mean of its divisors is an integer number (14725080).

Almost surely, 2^101357221 is an apocalyptic number.

It is an amenable number.

101357221 is a deficient number, since it is larger than the sum of its proper divisors (16443419).

101357221 is an equidigital number, since it uses as much as digits as its factorization.

101357221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245483.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 101357221 is about 10067.6323433069. The cubic root of 101357221 is about 466.2493415933.

The spelling of 101357221 in words is "one hundred one million, three hundred fifty-seven thousand, two hundred twenty-one".