1022220202001 has 2 divisors, whose sum is σ = 1022220202002. Its totient is φ = 1022220202000.

The previous prime is 1022220201973. The next prime is 1022220202013. The reversal of 1022220202001 is 1002020222201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1018777329025 + 3442872976 = 1009345^2 + 58676^2 .

It is an emirp because it is prime and its reverse (1002020222201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022220202001 - 2¹⁴ = 1022220185617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1022220202051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511110101000 + 511110101001.

It is an arithmetic number, because the mean of its divisors is an integer number (511110101001).

Almost surely, 2^{1022220202001} is an apocalyptic number.

It is an amenable number.

1022220202001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022220202001 is an equidigital number, since it uses as much as digits as its factorization.

1022220202001 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 14.

Adding to 1022220202001 its reverse (1002020222201), we get a palindrome (2024240424202).

It can be divided in two parts, 1022220 and 202001, that added together give a palindrome (1224221).

The spelling of 1022220202001 in words is "one trillion, twenty-two billion, two hundred twenty million, two hundred two thousand, one".