111120022100022 has 128 divisors (see below), whose sum is σ = 241371793313280. Its totient is φ = 33900955038720.

The previous prime is 111120022099963. The next prime is 111120022100053. The reversal of 111120022100022 is 220001220021111.

It is a junction number, because it is equal to n+sod(n) for n = 111120022099974 and 111120022100010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10307018272 + ... + 10307029052.

It is an arithmetic number, because the mean of its divisors is an integer number (1885717135260).

Almost surely, 2^{111120022100022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111120022100022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120685896656640).

111120022100022 is an abundant number, since it is smaller than the sum of its proper divisors (130251771213258).

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

111120022100022 is a wasteful number, since it uses less digits than its factorization.

111120022100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12798.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111120022100022 its reverse (220001220021111), we get a palindrome (331121242121133).

The spelling of 111120022100022 in words is "one hundred eleven trillion, one hundred twenty billion, twenty-two million, one hundred thousand, twenty-two".