101024442221 has 4 divisors (see below), whose sum is σ = 101144853600. Its totient is φ = 100904030844.

The previous prime is 101024442209. The next prime is 101024442251. The reversal of 101024442221 is 122244420101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101024442221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101024442251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60204431 + ... + 60206108.

It is an arithmetic number, because the mean of its divisors is an integer number (25286213400).

Almost surely, 2^101024442221 is an apocalyptic number.

It is an amenable number.

101024442221 is a deficient number, since it is larger than the sum of its proper divisors (120411379).

101024442221 is an equidigital number, since it uses as much as digits as its factorization.

101024442221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120411378.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 101024442221 its reverse (122244420101), we get a palindrome (223268862322).

The spelling of 101024442221 in words is "one hundred one billion, twenty-four million, four hundred forty-two thousand, two hundred twenty-one".