100011022122222 has 24 divisors (see below), whose sum is σ = 216720244056576. Its totient is φ = 33332438739456.

The previous prime is 100011022122217. The next prime is 100011022122317. The reversal of 100011022122222 is 222221220110001.

It is a happy number.

It is a super-3 number, since 3×100011022122222³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100011022122195 and 100011022122204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380584558 + ... + 380847249.

It is an arithmetic number, because the mean of its divisors is an integer number (9030010169024).

Almost surely, 2^{100011022122222} is an apocalyptic number.

100011022122222 is an abundant number, since it is smaller than the sum of its proper divisors (116709221934354).

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

100011022122222 is a wasteful number, since it uses less digits than its factorization.

100011022122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761439112 (or 761439109 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 100011022122222 its reverse (222221220110001), we get a palindrome (322232242232223).

The spelling of 100011022122222 in words is "one hundred trillion, eleven billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty-two".