111022120220 has 48 divisors (see below), whose sum is σ = 254382460416. Its totient is φ = 40365192000.

The previous prime is 111022120219. The next prime is 111022120229. The reversal of 111022120220 is 22021220111.

It is a super-2 number, since 2×111022120220² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111022120195 and 111022120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022120229) 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, 1456865 + ... + 1531175.

It is an arithmetic number, because the mean of its divisors is an integer number (5299634592).

Almost surely, 2^111022120220 is an apocalyptic number.

111022120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111022120220 is an abundant number, since it is smaller than the sum of its proper divisors (143360340196).

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

111022120220 is a wasteful number, since it uses less digits than its factorization.

111022120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81122 (or 81120 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111022120220 its reverse (22021220111), we get a palindrome (133043340331).

The spelling of 111022120220 in words is "one hundred eleven billion, twenty-two million, one hundred twenty thousand, two hundred twenty".