100021112010222 has 64 divisors (see below), whose sum is σ = 218541353716224. Its totient is φ = 30331565873280.

The previous prime is 100021112010167. The next prime is 100021112010241. The reversal of 100021112010222 is 222010211120001.

It is a super-2 number, since 2×100021112010222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12528213 + ... + 18894399.

It is an arithmetic number, because the mean of its divisors is an integer number (3414708651816).

Almost surely, 2^{100021112010222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100021112010222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109270676858112).

100021112010222 is an abundant number, since it is smaller than the sum of its proper divisors (118520241706002).

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

100021112010222 is a wasteful number, since it uses less digits than its factorization.

100021112010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6369113.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100021112010222 its reverse (222010211120001), we get a palindrome (322031323130223).

The spelling of 100021112010222 in words is "one hundred trillion, twenty-one billion, one hundred twelve million, ten thousand, two hundred twenty-two".