112111222012111 has 16 divisors (see below), whose sum is σ = 129384838495744. Its totient is φ = 95152236115104.

The previous prime is 112111222012109. The next prime is 112111222012121. The reversal of 112111222012111 is 111210222111211.

It is not a de Polignac number, because 112111222012111 - 2¹ = 112111222012109 is a prime.

It is a super-2 number, since 2×112111222012111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111222012121) 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, 1498365 + ... + 15048838.

It is an arithmetic number, because the mean of its divisors is an integer number (8086552405984).

Almost surely, 2^{112111222012111} is an apocalyptic number.

112111222012111 is a deficient number, since it is larger than the sum of its proper divisors (17273616483633).

112111222012111 is a wasteful number, since it uses less digits than its factorization.

112111222012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16556710.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 112111222012111 its reverse (111210222111211), we get a palindrome (223321444123322).

The spelling of 112111222012111 in words is "one hundred twelve trillion, one hundred eleven billion, two hundred twenty-two million, twelve thousand, one hundred eleven".