101024020221 has 8 divisors (see below), whose sum is σ = 134701413504. Its totient is φ = 67347986880.

The previous prime is 101024020177. The next prime is 101024020247. The reversal of 101024020221 is 122020420101.

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

It is not a de Polignac number, because 101024020221 - 2¹⁵ = 101023987453 is a prime.

It is a super-2 number, since 2×101024020221² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101024020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101024020271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151765 + ... + 474426.

It is an arithmetic number, because the mean of its divisors is an integer number (16837676688).

Almost surely, 2^101024020221 is an apocalyptic number.

It is an amenable number.

101024020221 is a deficient number, since it is larger than the sum of its proper divisors (33677393283).

101024020221 is an equidigital number, since it uses as much as digits as its factorization.

101024020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679971.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 101024020221 its reverse (122020420101), we get a palindrome (223044440322).

The spelling of 101024020221 in words is "one hundred one billion, twenty-four million, twenty thousand, two hundred twenty-one".