111020112220011 has 48 divisors (see below), whose sum is σ = 153942989698944. Its totient is φ = 71165122224000.

The previous prime is 111020112219943. The next prime is 111020112220021. The reversal of 111020112220011 is 110022211020111.

It is a happy number.

It is not a de Polignac number, because 111020112220011 - 2¹⁷ = 111020112088939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111020112220021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280915216 + ... + 281310146.

It is an arithmetic number, because the mean of its divisors is an integer number (3207145618728).

Almost surely, 2^{111020112220011} is an apocalyptic number.

111020112220011 is a deficient number, since it is larger than the sum of its proper divisors (42922877478933).

111020112220011 is a wasteful number, since it uses less digits than its factorization.

111020112220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395624 (or 395593 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111020112220011 its reverse (110022211020111), we get a palindrome (221042323240122).

The spelling of 111020112220011 in words is "one hundred eleven trillion, twenty billion, one hundred twelve million, two hundred twenty thousand, eleven".