100221020022 has 32 divisors (see below), whose sum is σ = 201793426272. Its totient is φ = 33181933824.

The previous prime is 100221020021. The next prime is 100221020069. The reversal of 100221020022 is 220020122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221020021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2729578 + ... + 2766050.

It is an arithmetic number, because the mean of its divisors is an integer number (6306044571).

Almost surely, 2^100221020022 is an apocalyptic number.

100221020022 is an abundant number, since it is smaller than the sum of its proper divisors (101572406250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100221020022 is a wasteful number, since it uses less digits than its factorization.

100221020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39552.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 100221020022 its reverse (220020122001), we get a palindrome (320241142023).

It can be divided in two parts, 100 and 221020022, that added together give a palindrome (221020122).

The spelling of 100221020022 in words is "one hundred billion, two hundred twenty-one million, twenty thousand, twenty-two".