111010201222122 has 24 divisors (see below), whose sum is σ = 247022700018276. Its totient is φ = 36003308504256.

The previous prime is 111010201222111. The next prime is 111010201222127. The reversal of 111010201222122 is 221222102010111.

111010201222122 is a `hidden beast` number, since 1 + 110 + 10 + 201 + 222 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 93271961223081 + 17738239999041 = 9657741^2 + 4211679^2 .

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 = 111010201222095 and 111010201222104.

It is not an unprimeable number, because it can be changed into a prime (111010201222127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83340991243 + ... + 83340992574.

Almost surely, 2^{111010201222122} is an apocalyptic number.

111010201222122 is an abundant number, since it is smaller than the sum of its proper divisors (136012498796154).

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

111010201222122 is a wasteful number, since it uses less digits than its factorization.

111010201222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166681983862 (or 166681983859 counting only the distinct ones).

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

Adding to 111010201222122 its reverse (221222102010111), we get a palindrome (332232303232233).

The spelling of 111010201222122 in words is "one hundred eleven trillion, ten billion, two hundred one million, two hundred twenty-two thousand, one hundred twenty-two".