112201212201111 has 20 divisors (see below), whose sum is σ = 182846419884744. Its totient is φ = 68000734666800.

The previous prime is 112201212201079. The next prime is 112201212201121. The reversal of 112201212201111 is 111102212102211.

It is a happy number.

112201212201111 is a `hidden beast` number, since 11 + 220 + 121 + 2 + 201 + 111 = 666.

It is not a de Polignac number, because 112201212201111 - 2⁵ = 112201212201079 is a prime.

It is a super-2 number, since 2×112201212201111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112201212201121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 62963642320 + ... + 62963644101.

Almost surely, 2^{112201212201111} is an apocalyptic number.

112201212201111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112201212201111 is a deficient number, since it is larger than the sum of its proper divisors (70645207683633).

112201212201111 is a wasteful number, since it uses less digits than its factorization.

112201212201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125927286444 (or 125927286435 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112201212201111 its reverse (111102212102211), we get a palindrome (223303424303322).

The spelling of 112201212201111 in words is "one hundred twelve trillion, two hundred one billion, two hundred twelve million, two hundred one thousand, one hundred eleven".