112121210220111 has 6 divisors (see below), whose sum is σ = 161952859206840. Its totient is φ = 74747473480068.

The previous prime is 112121210220013. The next prime is 112121210220119. The reversal of 112121210220111 is 111022012121211.

It is a happy number.

112121210220111 is a `hidden beast` number, since 1 + 1 + 2 + 121 + 210 + 220 + 111 = 666.

112121210220111 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 112121210220111 - 2¹¹ = 112121210218063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121210220119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6228956123331 + ... + 6228956123348.

It is an arithmetic number, because the mean of its divisors is an integer number (26992143201140).

Almost surely, 2^{112121210220111} is an apocalyptic number.

112121210220111 is a deficient number, since it is larger than the sum of its proper divisors (49831648986729).

112121210220111 is a wasteful number, since it uses less digits than its factorization.

112121210220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12457912246685 (or 12457912246682 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112121210220111 its reverse (111022012121211), we get a palindrome (223143222341322).

The spelling of 112121210220111 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred ten million, two hundred twenty thousand, one hundred eleven".