101133221 has 16 divisors (see below), whose sum is σ = 122645376. Its totient is φ = 81409536.

The previous prime is 101133211. The next prime is 101133223. The reversal of 101133221 is 122331101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101133221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101133196 and 101133205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101133223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107465 + ... + 108401.

It is an arithmetic number, because the mean of its divisors is an integer number (7665336).

Almost surely, 2^101133221 is an apocalyptic number.

It is an amenable number.

101133221 is a deficient number, since it is larger than the sum of its proper divisors (21512155).

101133221 is an equidigital number, since it uses as much as digits as its factorization.

101133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 101133221 is about 10056.5014294237. The cubic root of 101133221 is about 465.9056170791.

Adding to 101133221 its reverse (122331101), we get a palindrome (223464322).

The spelling of 101133221 in words is "one hundred one million, one hundred thirty-three thousand, two hundred twenty-one".