10221210222001 has 2 divisors, whose sum is σ = 10221210222002. Its totient is φ = 10221210222000.

The previous prime is 10221210221983. The next prime is 10221210222019. The reversal of 10221210222001 is 10022201212201.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (10221210221983) and next prime (10221210222019).

It can be written as a sum of positive squares in only one way, i.e., 9947211366400 + 273998855601 = 3153920^2 + 523449^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221210222001 - 2⁵ = 10221210221969 is a prime.

It is not a weakly prime, because it can be changed into another prime (10221210202001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110605111000 + 5110605111001.

It is an arithmetic number, because the mean of its divisors is an integer number (5110605111001).

Almost surely, 2^{10221210222001} is an apocalyptic number.

It is an amenable number.

10221210222001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221210222001 is an equidigital number, since it uses as much as digits as its factorization.

10221210222001 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 16.

Adding to 10221210222001 its reverse (10022201212201), we get a palindrome (20243411434202).

The spelling of 10221210222001 in words is "ten trillion, two hundred twenty-one billion, two hundred ten million, two hundred twenty-two thousand, one".