111220212211120 has 40 divisors (see below), whose sum is σ = 260560939929840. Its totient is φ = 44148481178880.

The previous prime is 111220212211117. The next prime is 111220212211133. The reversal of 111220212211120 is 21112212022111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5306297355 + ... + 5306318314.

It is an arithmetic number, because the mean of its divisors is an integer number (6514023498246).

Almost surely, 2^{111220212211120} is an apocalyptic number.

111220212211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111220212211120 is an abundant number, since it is smaller than the sum of its proper divisors (149340727718720).

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

111220212211120 is a wasteful number, since it uses less digits than its factorization.

111220212211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10612615813 (or 10612615807 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111220212211120 its reverse (21112212022111), we get a palindrome (132332424233231).

The spelling of 111220212211120 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred twelve million, two hundred eleven thousand, one hundred twenty".