100020222020401 has 2 divisors, whose sum is σ = 100020222020402. Its totient is φ = 100020222020400.

The previous prime is 100020222020371. The next prime is 100020222020441. The reversal of 100020222020401 is 104020222020001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60679114502400 + 39341107518001 = 7789680^2 + 6272249^2 .

It is a cyclic number.

It is not a de Polignac number, because 100020222020401 - 2²⁷ = 100020087802673 is a prime.

It is not a weakly prime, because it can be changed into another prime (100020222020441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010111010200 + 50010111010201.

It is an arithmetic number, because the mean of its divisors is an integer number (50010111010201).

Almost surely, 2^{100020222020401} is an apocalyptic number.

It is an amenable number.

100020222020401 is a deficient number, since it is larger than the sum of its proper divisors (1).

100020222020401 is an equidigital number, since it uses as much as digits as its factorization.

100020222020401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 100020222020401 its reverse (104020222020001), we get a palindrome (204040444040402).

The spelling of 100020222020401 in words is "one hundred trillion, twenty billion, two hundred twenty-two million, twenty thousand, four hundred one".