123311100222 has 40 divisors (see below), whose sum is σ = 276391684800. Its totient is φ = 41091281856.

The previous prime is 123311100221. The next prime is 123311100277. The reversal of 123311100222 is 222001113321.

123311100222 is a `hidden beast` number, since 1 + 2 + 331 + 110 + 0 + 222 = 666.

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 = 123311100195 and 123311100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123311100221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 430854 + ... + 657462.

It is an arithmetic number, because the mean of its divisors is an integer number (6909792120).

Almost surely, 2^123311100222 is an apocalyptic number.

123311100222 is an abundant number, since it is smaller than the sum of its proper divisors (153080584578).

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

123311100222 is a wasteful number, since it uses less digits than its factorization.

123311100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229982 (or 229973 counting only the distinct ones).

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

Adding to 123311100222 its reverse (222001113321), we get a palindrome (345312213543).

The spelling of 123311100222 in words is "one hundred twenty-three billion, three hundred eleven million, one hundred thousand, two hundred twenty-two".