100100221022 has 4 divisors (see below), whose sum is σ = 150150331536. Its totient is φ = 50050110510.

The previous prime is 100100221009. The next prime is 100100221033. The reversal of 100100221022 is 220122001001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 100100220994 and 100100221012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25025055254 + ... + 25025055257.

It is an arithmetic number, because the mean of its divisors is an integer number (37537582884).

Almost surely, 2^100100221022 is an apocalyptic number.

100100221022 is a deficient number, since it is larger than the sum of its proper divisors (50050110514).

100100221022 is an equidigital number, since it uses as much as digits as its factorization.

100100221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50050110513.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100100221022 its reverse (220122001001), we get a palindrome (320222222023).

The spelling of 100100221022 in words is "one hundred billion, one hundred million, two hundred twenty-one thousand, twenty-two".