111100212102 has 16 divisors (see below), whose sum is σ = 242400462912. Its totient is φ = 33666730920.

The previous prime is 111100212089. The next prime is 111100212103. The reversal of 111100212102 is 201212001111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100212103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841668208 + ... + 841668339.

It is an arithmetic number, because the mean of its divisors is an integer number (15150028932).

Almost surely, 2^111100212102 is an apocalyptic number.

111100212102 is an abundant number, since it is smaller than the sum of its proper divisors (131300250810).

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

111100212102 is a wasteful number, since it uses less digits than its factorization.

111100212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683336563.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111100212102 its reverse (201212001111), we get a palindrome (312312213213).

The spelling of 111100212102 in words is "one hundred eleven billion, one hundred million, two hundred twelve thousand, one hundred two".