10212222121201 has 2 divisors, whose sum is σ = 10212222121202. Its totient is φ = 10212222121200.

The previous prime is 10212222121187. The next prime is 10212222121207. The reversal of 10212222121201 is 10212122221201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9775533762225 + 436688358976 = 3126585^2 + 660824^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212222121201 - 2³³ = 10203632186609 is a prime.

It is not a weakly prime, because it can be changed into another prime (10212222121207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106111060600 + 5106111060601.

It is an arithmetic number, because the mean of its divisors is an integer number (5106111060601).

Almost surely, 2^{10212222121201} is an apocalyptic number.

It is an amenable number.

10212222121201 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212222121201 is an equidigital number, since it uses as much as digits as its factorization.

10212222121201 is an evil number, because the sum of its binary digits is even.

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

Adding to 10212222121201 its reverse (10212122221201), we get a palindrome (20424344342402).

The spelling of 10212222121201 in words is "ten trillion, two hundred twelve billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred one".