112101112210121 has 16 divisors (see below), whose sum is σ = 114507178156800. Its totient is φ = 109711947083088.

The previous prime is 112101112210069. The next prime is 112101112210147. The reversal of 112101112210121 is 121012211101211.

It is not a de Polignac number, because 112101112210121 - 2²⁶ = 112101045101257 is a prime.

It is a super-2 number, since 2×112101112210121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112101112210121.

It is not an unprimeable number, because it can be changed into a prime (112101112213121) 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, 454207370 + ... + 454454108.

It is an arithmetic number, because the mean of its divisors is an integer number (7156698634800).

Almost surely, 2^{112101112210121} is an apocalyptic number.

It is an amenable number.

112101112210121 is a deficient number, since it is larger than the sum of its proper divisors (2406065946679).

112101112210121 is a wasteful number, since it uses less digits than its factorization.

112101112210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280948.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 112101112210121 its reverse (121012211101211), we get a palindrome (233113323311332).

The spelling of 112101112210121 in words is "one hundred twelve trillion, one hundred one billion, one hundred twelve million, two hundred ten thousand, one hundred twenty-one".