1022222010001 has 2 divisors, whose sum is σ = 1022222010002. Its totient is φ = 1022222010000.

The previous prime is 1022222009971. The next prime is 1022222010011. The reversal of 1022222010001 is 1000102222201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 750087637776 + 272134372225 = 866076^2 + 521665^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022222010001 - 2³¹ = 1020074526353 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022222010011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511111005000 + 511111005001.

It is an arithmetic number, because the mean of its divisors is an integer number (511111005001).

Almost surely, 2^{1022222010001} is an apocalyptic number.

It is an amenable number.

1022222010001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022222010001 is an equidigital number, since it uses as much as digits as its factorization.

1022222010001 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 1022222010001 its reverse (1000102222201), we get a palindrome (2022324232202).

The spelling of 1022222010001 in words is "one trillion, twenty-two billion, two hundred twenty-two million, ten thousand, one".