10112022221221 has 2 divisors, whose sum is σ = 10112022221222. Its totient is φ = 10112022221220.

The previous prime is 10112022221183. The next prime is 10112022221297. The reversal of 10112022221221 is 12212222021101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8383746520900 + 1728275700321 = 2895470^2 + 1314639^2 .

It is a cyclic number.

It is not a de Polignac number, because 10112022221221 - 2³⁹ = 9562266407333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10112022221621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056011110610 + 5056011110611.

It is an arithmetic number, because the mean of its divisors is an integer number (5056011110611).

Almost surely, 2^{10112022221221} is an apocalyptic number.

It is an amenable number.

10112022221221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10112022221221 is an equidigital number, since it uses as much as digits as its factorization.

10112022221221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10112022221221 its reverse (12212222021101), we get a palindrome (22324244242322).

The spelling of 10112022221221 in words is "ten trillion, one hundred twelve billion, twenty-two million, two hundred twenty-one thousand, two hundred twenty-one".