111222212010210 has 192 divisors, whose sum is σ = 348206079356928. Its totient is φ = 24080819190912.

The previous prime is 111222212010179. The next prime is 111222212010311. The reversal of 111222212010210 is 12010212222111.

111222212010210 is a `hidden beast` number, since 1 + 11 + 22 + 221 + 201 + 0 + 210 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35768652 + ... + 38753591.

It is an arithmetic number, because the mean of its divisors is an integer number (1813573329984).

Almost surely, 2^{111222212010210} is an apocalyptic number.

111222212010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111222212010210 is an abundant number, since it is smaller than the sum of its proper divisors (236983867346718).

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

111222212010210 is a wasteful number, since it uses less digits than its factorization.

111222212010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74522389 (or 74522386 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111222212010210 its reverse (12010212222111), we get a palindrome (123232424232321).

The spelling of 111222212010210 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred twelve million, ten thousand, two hundred ten".