112001217020111 has 2 divisors, whose sum is σ = 112001217020112. Its totient is φ = 112001217020110.

The previous prime is 112001217020039. The next prime is 112001217020177. The reversal of 112001217020111 is 111020712100211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112001217020111 - 2²² = 112001212825807 is a prime.

It is a super-2 number, since 2×112001217020111² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112001217020311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56000608510055 + 56000608510056.

It is an arithmetic number, because the mean of its divisors is an integer number (56000608510056).

Almost surely, 2^{112001217020111} is an apocalyptic number.

112001217020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

112001217020111 is an equidigital number, since it uses as much as digits as its factorization.

112001217020111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 112001217020111 its reverse (111020712100211), we get a palindrome (223021929120322).

The spelling of 112001217020111 in words is "one hundred twelve trillion, one billion, two hundred seventeen million, twenty thousand, one hundred eleven".