101112220221 has 8 divisors (see below), whose sum is σ = 135375698304. Its totient is φ = 67128444480.

The previous prime is 101112220189. The next prime is 101112220229. The reversal of 101112220221 is 122022211101.

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

It is not a de Polignac number, because 101112220221 - 2⁵ = 101112220189 is a prime.

It is a super-4 number, since 4×101112220221⁴ (a number of 45 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101112220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112220229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69924741 + ... + 69926186.

It is an arithmetic number, because the mean of its divisors is an integer number (16921962288).

Almost surely, 2^101112220221 is an apocalyptic number.

It is an amenable number.

101112220221 is a deficient number, since it is larger than the sum of its proper divisors (34263478083).

101112220221 is a wasteful number, since it uses less digits than its factorization.

101112220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139851171.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101112220221 its reverse (122022211101), we get a palindrome (223134431322).

The spelling of 101112220221 in words is "one hundred one billion, one hundred twelve million, two hundred twenty thousand, two hundred twenty-one".