111102201210 has 384 divisors, whose sum is σ = 362204462592. Its totient is φ = 21223065600.

The previous prime is 111102201181. The next prime is 111102201269. The reversal of 111102201210 is 12102201111.

It is a super-2 number, since 2×111102201210² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 104714080 + ... + 104715140.

It is an arithmetic number, because the mean of its divisors is an integer number (943240788).

Almost surely, 2^111102201210 is an apocalyptic number.

111102201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111102201210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181102231296).

111102201210 is an abundant number, since it is smaller than the sum of its proper divisors (251102261382).

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

111102201210 is a wasteful number, since it uses less digits than its factorization.

111102201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430 (or 1419 counting only the distinct ones).

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

Adding to 111102201210 its reverse (12102201111), we get a palindrome (123204402321).

Subtracting from 111102201210 its reverse (12102201111), we obtain a palindrome (99000000099).

The spelling of 111102201210 in words is "one hundred eleven billion, one hundred two million, two hundred one thousand, two hundred ten".