112101221121111 has 24 divisors (see below), whose sum is σ = 166918526910720. Its totient is φ = 72443992130496.

The previous prime is 112101221121101. The next prime is 112101221121119. The reversal of 112101221121111 is 111121122101211.

112101221121111 is a `hidden beast` number, since 1 + 1 + 210 + 1 + 221 + 121 + 111 = 666.

It is not a de Polignac number, because 112101221121111 - 2⁶ = 112101221121047 is a prime.

It is a super-4 number, since 4×112101221121111⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112101221121119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 625635895 + ... + 625815048.

It is an arithmetic number, because the mean of its divisors is an integer number (6954938621280).

Almost surely, 2^{112101221121111} is an apocalyptic number.

112101221121111 is a deficient number, since it is larger than the sum of its proper divisors (54817305789609).

112101221121111 is a wasteful number, since it uses less digits than its factorization.

112101221121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251451255 (or 1251451252 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 18.

Adding to 112101221121111 its reverse (111121122101211), we get a palindrome (223222343222322).

The spelling of 112101221121111 in words is "one hundred twelve trillion, one hundred one billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred eleven".