111121100022220 has 48 divisors (see below), whose sum is σ = 242498525472000. Its totient is φ = 42725930607360.

The previous prime is 111121100022167. The next prime is 111121100022223. The reversal of 111121100022220 is 22220001121111.

111121100022220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 111121100022194 and 111121100022203.

It is not an unprimeable number, because it can be changed into a prime (111121100022223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601342455 + ... + 601527214.

It is an arithmetic number, because the mean of its divisors is an integer number (5052052614000).

Almost surely, 2^{111121100022220} is an apocalyptic number.

111121100022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111121100022220 is an abundant number, since it is smaller than the sum of its proper divisors (131377425449780).

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

111121100022220 is a wasteful number, since it uses less digits than its factorization.

111121100022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202869858 (or 1202869856 counting only the distinct ones).

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

Adding to 111121100022220 its reverse (22220001121111), we get a palindrome (133341101143331).

The spelling of 111121100022220 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred million, twenty-two thousand, two hundred twenty".