111212202102 has 32 divisors (see below), whose sum is σ = 231006988800. Its totient is φ = 35667040608.

The previous prime is 111212202091. The next prime is 111212202119. The reversal of 111212202102 is 201202212111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3325477 + ... + 3358752.

It is an arithmetic number, because the mean of its divisors is an integer number (7218968400).

Almost surely, 2^111212202102 is an apocalyptic number.

111212202102 is an abundant number, since it is smaller than the sum of its proper divisors (119794786698).

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

111212202102 is a wasteful number, since it uses less digits than its factorization.

111212202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6684340.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111212202102 its reverse (201202212111), we get a palindrome (312414414213).

The spelling of 111212202102 in words is "one hundred eleven billion, two hundred twelve million, two hundred two thousand, one hundred two".