100111323222 has 112 divisors (see below), whose sum is σ = 238687328880. Its totient is φ = 31368508416.

The previous prime is 100111323107. The next prime is 100111323253. The reversal of 100111323222 is 222323111001.

100111323222 is a `hidden beast` number, since 10 + 0 + 111 + 323 + 222 = 666.

It is a super-2 number, since 2×100111323222² (a number of 23 digits) contains 22 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 = 100111323195 and 100111323204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 25007073 + ... + 25011075.

It is an arithmetic number, because the mean of its divisors is an integer number (2131136865).

Almost surely, 2^100111323222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100111323222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119343664440).

100111323222 is an abundant number, since it is smaller than the sum of its proper divisors (138576005658).

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

100111323222 is a wasteful number, since it uses less digits than its factorization.

100111323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049 (or 5034 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 100111323222 its reverse (222323111001), we get a palindrome (322434434223).

The spelling of 100111323222 in words is "one hundred billion, one hundred eleven million, three hundred twenty-three thousand, two hundred twenty-two".