112012202121121 has 2 divisors, whose sum is σ = 112012202121122. Its totient is φ = 112012202121120.

The previous prime is 112012202121109. The next prime is 112012202121139. The reversal of 112012202121121 is 121121202210211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86229053121600 + 25783148999521 = 9285960^2 + 5077711^2 .

It is a cyclic number.

It is not a de Polignac number, because 112012202121121 - 2²³ = 112012193732513 is a prime.

It is not a weakly prime, because it can be changed into another prime (112012202161121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56006101060560 + 56006101060561.

It is an arithmetic number, because the mean of its divisors is an integer number (56006101060561).

Almost surely, 2^{112012202121121} is an apocalyptic number.

It is an amenable number.

112012202121121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112012202121121 is an equidigital number, since it uses as much as digits as its factorization.

112012202121121 is an evil number, because the sum of its binary digits is even.

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

Adding to 112012202121121 its reverse (121121202210211), we get a palindrome (233133404331332).

The spelling of 112012202121121 in words is "one hundred twelve trillion, twelve billion, two hundred two million, one hundred twenty-one thousand, one hundred twenty-one".