100022021212220 has 48 divisors (see below), whose sum is σ = 213126185058528. Its totient is φ = 39423196108800.

The previous prime is 100022021212193. The next prime is 100022021212229. The reversal of 100022021212220 is 22212120220001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100022021212229) 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, 31057469 + ... + 34126388.

It is an arithmetic number, because the mean of its divisors is an integer number (4440128855386).

Almost surely, 2^{100022021212220} is an apocalyptic number.

100022021212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100022021212220 is an abundant number, since it is smaller than the sum of its proper divisors (113104163846308).

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

100022021212220 is a wasteful number, since it uses less digits than its factorization.

100022021212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65184990 (or 65184988 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 100022021212220 its reverse (22212120220001), we get a palindrome (122234141432221).

The spelling of 100022021212220 in words is "one hundred trillion, twenty-two billion, twenty-one million, two hundred twelve thousand, two hundred twenty".