111101220021022 has 32 divisors (see below), whose sum is σ = 208059506403840. Its totient is φ = 43226648736480.

The previous prime is 111101220021007. The next prime is 111101220021059. The reversal of 111101220021022 is 220120022101111.

It is a junction number, because it is equal to n+sod(n) for n = 111101220020987 and 111101220021005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496061697 + ... + 496285612.

It is an arithmetic number, because the mean of its divisors is an integer number (6501859575120).

Almost surely, 2^{111101220021022} is an apocalyptic number.

111101220021022 is a deficient number, since it is larger than the sum of its proper divisors (96958286382818).

111101220021022 is a wasteful number, since it uses less digits than its factorization.

111101220021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992348056.

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

Adding to 111101220021022 its reverse (220120022101111), we get a palindrome (331221242122133).

The spelling of 111101220021022 in words is "one hundred eleven trillion, one hundred one billion, two hundred twenty million, twenty-one thousand, twenty-two".