22000012021201 has 2 divisors, whose sum is σ = 22000012021202. Its totient is φ = 22000012021200.

The previous prime is 22000012021159. The next prime is 22000012021303. The reversal of 22000012021201 is 10212021000022.

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., 21927866598400 + 72145422801 = 4682720^2 + 268599^2 .

It is a cyclic number.

It is not a de Polignac number, because 22000012021201 - 2³⁷ = 21862573067729 is a prime.

It is not a weakly prime, because it can be changed into another prime (22000012028201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000006010600 + 11000006010601.

It is an arithmetic number, because the mean of its divisors is an integer number (11000006010601).

Almost surely, 2^{22000012021201} is an apocalyptic number.

It is an amenable number.

22000012021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000012021201 is an equidigital number, since it uses as much as digits as its factorization.

22000012021201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22000012021201 its reverse (10212021000022), we get a palindrome (32212033021223).

The spelling of 22000012021201 in words is "twenty-two trillion, twelve million, twenty-one thousand, two hundred one".