111012012222102 has 64 divisors (see below), whose sum is σ = 261214416552960. Its totient is φ = 34826007030912.

The previous prime is 111012012222101. The next prime is 111012012222149. The reversal of 111012012222102 is 201222210210111.

111012012222102 is a `hidden beast` number, since 1 + 110 + 120 + 1 + 222 + 210 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012012222101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22689663 + ... + 27144885.

It is an arithmetic number, because the mean of its divisors is an integer number (4081475258640).

Almost surely, 2^{111012012222102} is an apocalyptic number.

111012012222102 is an abundant number, since it is smaller than the sum of its proper divisors (150202404330858).

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

111012012222102 is a wasteful number, since it uses less digits than its factorization.

111012012222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482394 (or 4482388 counting only the distinct ones).

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

Adding to 111012012222102 its reverse (201222210210111), we get a palindrome (312234222432213).

The spelling of 111012012222102 in words is "one hundred eleven trillion, twelve billion, twelve million, two hundred twenty-two thousand, one hundred two".