100222001022220 has 96 divisors (see below), whose sum is σ = 262535175899136. Its totient is φ = 31221864979200.

The previous prime is 100222001022191. The next prime is 100222001022281. The reversal of 100222001022220 is 22220100222001.

It is a junction number, because it is equal to n+sod(n) for n = 100222001022194 and 100222001022203.

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, 13856916 + ... + 19810555.

It is an arithmetic number, because the mean of its divisors is an integer number (2734741415616).

Almost surely, 2^{100222001022220} is an apocalyptic number.

100222001022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100222001022220 is an abundant number, since it is smaller than the sum of its proper divisors (162313174876916).

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

100222001022220 is a wasteful number, since it uses less digits than its factorization.

100222001022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33669431 (or 33669429 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 100222001022220 its reverse (22220100222001), we get a palindrome (122442101244221).

The spelling of 100222001022220 in words is "one hundred trillion, two hundred twenty-two billion, one million, twenty-two thousand, two hundred twenty".