111201020020022 has 64 divisors (see below), whose sum is σ = 179343181900800. Its totient is φ = 51527518580736.

The previous prime is 111201020020019. The next prime is 111201020020031. The reversal of 111201020020022 is 220020020102111.

It is a junction number, because it is equal to n+sod(n) for n = 111201020019979 and 111201020020006.

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 31 ways as a sum of consecutive naturals, for example, 711576518 + ... + 711732774.

It is an arithmetic number, because the mean of its divisors is an integer number (2802237217200).

Almost surely, 2^{111201020020022} is an apocalyptic number.

111201020020022 is a deficient number, since it is larger than the sum of its proper divisors (68142161880778).

111201020020022 is a wasteful number, since it uses less digits than its factorization.

111201020020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157565.

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

Adding to 111201020020022 its reverse (220020020102111), we get a palindrome (331221040122133).

The spelling of 111201020020022 in words is "one hundred eleven trillion, two hundred one billion, twenty million, twenty thousand, twenty-two".