112210212210121 has 16 divisors (see below), whose sum is σ = 113127049359504. Its totient is φ = 111295994793984.

The previous prime is 112210212210119. The next prime is 112210212210149. The reversal of 112210212210121 is 121012212012211.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 16095502086400 + 96114710123721 = 4011920^2 + 9803811^2 .

It is a cyclic number.

It is not a de Polignac number, because 112210212210121 - 2¹ = 112210212210119 is a prime.

It is a super-2 number, since 2×112210212210121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112210212610121) 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, 592065451 + ... + 592254943.

It is an arithmetic number, because the mean of its divisors is an integer number (7070440584969).

Almost surely, 2^{112210212210121} is an apocalyptic number.

It is an amenable number.

112210212210121 is a deficient number, since it is larger than the sum of its proper divisors (916837149383).

112210212210121 is a wasteful number, since it uses less digits than its factorization.

112210212210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196380.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112210212210121 its reverse (121012212012211), we get a palindrome (233222424222332).

The spelling of 112210212210121 in words is "one hundred twelve trillion, two hundred ten billion, two hundred twelve million, two hundred ten thousand, one hundred twenty-one".