112120222121111 has 2 divisors, whose sum is σ = 112120222121112. Its totient is φ = 112120222121110.

The previous prime is 112120222121101. The next prime is 112120222121123. The reversal of 112120222121111 is 111121222021211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112120222121111 - 2²⁶ = 112120155012247 is a prime.

It is a super-3 number, since 3×112120222121111³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112120222121101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060111060555 + 56060111060556.

It is an arithmetic number, because the mean of its divisors is an integer number (56060111060556).

Almost surely, 2^{112120222121111} is an apocalyptic number.

112120222121111 is a deficient number, since it is larger than the sum of its proper divisors (1).

112120222121111 is an equidigital number, since it uses as much as digits as its factorization.

112120222121111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112120222121111 its reverse (111121222021211), we get a palindrome (223241444142322).

The spelling of 112120222121111 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred eleven".