112111302121 has 16 divisors (see below), whose sum is σ = 139204243584. Its totient is φ = 87918453504.

The previous prime is 112111302071. The next prime is 112111302179. The reversal of 112111302121 is 121203111211.

It is a happy number.

It is not a de Polignac number, because 112111302121 - 2¹⁹ = 112110777833 is a prime.

It is a super-2 number, since 2×112111302121² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112111302095 and 112111302104.

It is not an unprimeable number, because it can be changed into a prime (112111302521) 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, 5441011 + ... + 5461576.

It is an arithmetic number, because the mean of its divisors is an integer number (8700265224).

Almost surely, 2^112111302121 is an apocalyptic number.

It is an amenable number.

112111302121 is a deficient number, since it is larger than the sum of its proper divisors (27092941463).

112111302121 is a wasteful number, since it uses less digits than its factorization.

112111302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10902720.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 112111302121 its reverse (121203111211), we get a palindrome (233314413332).

The spelling of 112111302121 in words is "one hundred twelve billion, one hundred eleven million, three hundred two thousand, one hundred twenty-one".