1000222020001 has 2 divisors, whose sum is σ = 1000222020002. Its totient is φ = 1000222020000.

The previous prime is 1000222019969. The next prime is 1000222020041. The reversal of 1000222020001 is 1000202220001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 653211486225 + 347010533776 = 808215^2 + 589076^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000222020001 - 2⁵ = 1000222019969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000222020001.

It is not a weakly prime, because it can be changed into another prime (1000222020041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500111010000 + 500111010001.

It is an arithmetic number, because the mean of its divisors is an integer number (500111010001).

Almost surely, 2^{1000222020001} is an apocalyptic number.

It is an amenable number.

1000222020001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000222020001 is an equidigital number, since it uses as much as digits as its factorization.

1000222020001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1000222020001 its reverse (1000202220001), we get a palindrome (2000424240002).

The spelling of 1000222020001 in words is "one trillion, two hundred twenty-two million, twenty thousand, one".