2000222220961 has 2 divisors, whose sum is σ = 2000222220962. Its totient is φ = 2000222220960.

The previous prime is 2000222220923. The next prime is 2000222221013. The reversal of 2000222220961 is 1690222220002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1649336590225 + 350885630736 = 1284265^2 + 592356^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000222220961 - 2⁷ = 2000222220833 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000226220961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000111110480 + 1000111110481.

It is an arithmetic number, because the mean of its divisors is an integer number (1000111110481).

Almost surely, 2^{2000222220961} is an apocalyptic number.

It is an amenable number.

2000222220961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000222220961 is an equidigital number, since it uses as much as digits as its factorization.

2000222220961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 2000222220961 its reverse (1690222220002), we get a palindrome (3690444440963).

The spelling of 2000222220961 in words is "two trillion, two hundred twenty-two million, two hundred twenty thousand, nine hundred sixty-one".