111002211222100 has 72 divisors (see below), whose sum is σ = 262789074235296. Its totient is φ = 40361895600000.

The previous prime is 111002211222017. The next prime is 111002211222107. The reversal of 111002211222100 is 1222112200111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002211222107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14317995 + ... + 20664205.

It is an arithmetic number, because the mean of its divisors is an integer number (3649848253268).

Almost surely, 2^{111002211222100} is an apocalyptic number.

111002211222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111002211222100 is an abundant number, since it is smaller than the sum of its proper divisors (151786863013196).

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

111002211222100 is a wasteful number, since it uses less digits than its factorization.

111002211222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6362137 (or 6362130 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111002211222100 its reverse (1222112200111), we get a palindrome (112224323422211).

It can be divided in two parts, 11100221 and 1222100, that added together give a palindrome (12322321).

The spelling of 111002211222100 in words is "one hundred eleven trillion, two billion, two hundred eleven million, two hundred twenty-two thousand, one hundred".