100221010221022 has 4 divisors (see below), whose sum is σ = 150331515331536. Its totient is φ = 50110505110510.

The previous prime is 100221010221001. The next prime is 100221010221037. The reversal of 100221010221022 is 220122010122001.

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 = 100221010220987 and 100221010221005.

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, 25055252555254 + ... + 25055252555257.

It is an arithmetic number, because the mean of its divisors is an integer number (37582878832884).

Almost surely, 2^{100221010221022} is an apocalyptic number.

100221010221022 is a deficient number, since it is larger than the sum of its proper divisors (50110505110514).

100221010221022 is an equidigital number, since it uses as much as digits as its factorization.

100221010221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50110505110513.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100221010221022 its reverse (220122010122001), we get a palindrome (320343020343023).

The spelling of 100221010221022 in words is "one hundred trillion, two hundred twenty-one billion, ten million, two hundred twenty-one thousand, twenty-two".