111200020022 has 32 divisors (see below), whose sum is σ = 205362441984. Its totient is φ = 43976196000.

The previous prime is 111200019979. The next prime is 111200020049. The reversal of 111200020022 is 220020002111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111200019985 and 111200020012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437897 + ... + 643547.

It is an arithmetic number, because the mean of its divisors is an integer number (6417576312).

Almost surely, 2^111200020022 is an apocalyptic number.

111200020022 is a deficient number, since it is larger than the sum of its proper divisors (94162421962).

111200020022 is a wasteful number, since it uses less digits than its factorization.

111200020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208644.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 111200020022 its reverse (220020002111), we get a palindrome (331220022133).

The spelling of 111200020022 in words is "one hundred eleven billion, two hundred million, twenty thousand, twenty-two".