112121012211 has 16 divisors (see below), whose sum is σ = 162419008416. Its totient is φ = 68386945536.

The previous prime is 112121012207. The next prime is 112121012231. The reversal of 112121012211 is 112210121211.

It is a happy number.

It is not a de Polignac number, because 112121012211 - 2² = 112121012207 is a prime.

It is a super-2 number, since 2×112121012211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112121012231) 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, 12716380 + ... + 12725193.

It is an arithmetic number, because the mean of its divisors is an integer number (10151188026).

Almost surely, 2^112121012211 is an apocalyptic number.

112121012211 is a deficient number, since it is larger than the sum of its proper divisors (50297996205).

112121012211 is a wasteful number, since it uses less digits than its factorization.

112121012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25441702.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112121012211 its reverse (112210121211), we get a palindrome (224331133422).

The spelling of 112121012211 in words is "one hundred twelve billion, one hundred twenty-one million, twelve thousand, two hundred eleven".