1111232112210 has 384 divisors, whose sum is σ = 3352847966208. Its totient is φ = 252891072000.

The previous prime is 1111232112143. The next prime is 1111232112299. The reversal of 1111232112210 is 122112321111.

It is a happy number.

1111232112210 is a `hidden beast` number, since 1 + 111 + 232 + 112 + 210 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 122229765 + ... + 122238855.

It is an arithmetic number, because the mean of its divisors is an integer number (8731374912).

Almost surely, 2^{1111232112210} is an apocalyptic number.

1111232112210 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 1111232112210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1676423983104).

1111232112210 is an abundant number, since it is smaller than the sum of its proper divisors (2241615853998).

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

1111232112210 is a wasteful number, since it uses less digits than its factorization.

1111232112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9270 (or 9267 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1111232112210 its reverse (122112321111), we get a palindrome (1233344433321).

It can be divided in two parts, 111 and 1232112210, that added together give a palindrome (1232112321).

The spelling of 1111232112210 in words is "one trillion, one hundred eleven billion, two hundred thirty-two million, one hundred twelve thousand, two hundred ten".