101111020221 has 8 divisors (see below), whose sum is σ = 135492155200. Its totient is φ = 67068616032.

The previous prime is 101111020211. The next prime is 101111020223. The reversal of 101111020221 is 122020111101.

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

It is not a de Polignac number, because 101111020221 - 2¹⁷ = 101110889149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101111020197 and 101111020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111020223) 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, 84682000 + ... + 84683193.

It is an arithmetic number, because the mean of its divisors is an integer number (16936519400).

Almost surely, 2^101111020221 is an apocalyptic number.

It is an amenable number.

101111020221 is a deficient number, since it is larger than the sum of its proper divisors (34381134979).

101111020221 is a wasteful number, since it uses less digits than its factorization.

101111020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169365395.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101111020221 its reverse (122020111101), we get a palindrome (223131131322).

The spelling of 101111020221 in words is "one hundred one billion, one hundred eleven million, twenty thousand, two hundred twenty-one".