112121120100111 has 16 divisors (see below), whose sum is σ = 152273840575104. Its totient is φ = 73365961626144.

The previous prime is 112121120100043. The next prime is 112121120100149. The reversal of 112121120100111 is 111001021121211.

It is not a de Polignac number, because 112121120100111 - 2¹¹ = 112121120098063 is a prime.

It is a super-2 number, since 2×112121120100111² (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 (112121120100151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006833345 + ... + 1006944698.

It is an arithmetic number, because the mean of its divisors is an integer number (9517115035944).

Almost surely, 2^{112121120100111} is an apocalyptic number.

112121120100111 is a deficient number, since it is larger than the sum of its proper divisors (40152720474993).

112121120100111 is a wasteful number, since it uses less digits than its factorization.

112121120100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013778390.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 112121120100111 its reverse (111001021121211), we get a palindrome (223122141221322).

The spelling of 112121120100111 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twenty million, one hundred thousand, one hundred eleven".