112121121010321 has 2 divisors, whose sum is σ = 112121121010322. Its totient is φ = 112121121010320.

The previous prime is 112121121010309. The next prime is 112121121010399. The reversal of 112121121010321 is 123010121121211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111653352558225 + 467768452096 = 10566615^2 + 683936^2 .

It is a cyclic number.

It is not a de Polignac number, because 112121121010321 - 2¹⁷ = 112121120879249 is a prime.

It is a super-2 number, since 2×112121121010321² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112121121010121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060560505160 + 56060560505161.

It is an arithmetic number, because the mean of its divisors is an integer number (56060560505161).

Almost surely, 2^{112121121010321} is an apocalyptic number.

It is an amenable number.

112121121010321 is a deficient number, since it is larger than the sum of its proper divisors (1).

112121121010321 is an equidigital number, since it uses as much as digits as its factorization.

112121121010321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 112121121010321 its reverse (123010121121211), we get a palindrome (235131242131532).

The spelling of 112121121010321 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twenty-one million, ten thousand, three hundred twenty-one".