111232211120220 has 48 divisors (see below), whose sum is σ = 311450668266528. Its totient is φ = 29661877524480.

The previous prime is 111232211120161. The next prime is 111232211120231. The reversal of 111232211120220 is 22021112232111.

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, 60094980 + ... + 61918260.

It is an arithmetic number, because the mean of its divisors is an integer number (6488555588886).

Almost surely, 2^{111232211120220} is an apocalyptic number.

111232211120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111232211120220 is an abundant number, since it is smaller than the sum of its proper divisors (200218457146308).

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

111232211120220 is a wasteful number, since it uses less digits than its factorization.

111232211120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840070 (or 2840068 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 111232211120220 its reverse (22021112232111), we get a palindrome (133253323352331).

The spelling of 111232211120220 in words is "one hundred eleven trillion, two hundred thirty-two billion, two hundred eleven million, one hundred twenty thousand, two hundred twenty".