101100122221 has 8 divisors (see below), whose sum is σ = 122339643840. Its totient is φ = 81559762368.

The previous prime is 101100122203. The next prime is 101100122231. The reversal of 101100122221 is 122221001101.

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

It is not a de Polignac number, because 101100122221 - 2⁹ = 101100121709 is a prime.

It is a super-2 number, since 2×101100122221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100122231) 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, 424790311 + ... + 424790548.

It is an arithmetic number, because the mean of its divisors is an integer number (15292455480).

Almost surely, 2^101100122221 is an apocalyptic number.

It is an amenable number.

101100122221 is a deficient number, since it is larger than the sum of its proper divisors (21239521619).

101100122221 is an equidigital number, since it uses as much as digits as its factorization.

101100122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849580883.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101100122221 its reverse (122221001101), we get a palindrome (223321123322).

The spelling of 101100122221 in words is "one hundred one billion, one hundred million, one hundred twenty-two thousand, two hundred twenty-one".