2010221202091 has 2 divisors, whose sum is σ = 2010221202092. Its totient is φ = 2010221202090.

The previous prime is 2010221202053. The next prime is 2010221202103. The reversal of 2010221202091 is 1902021220102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2010221202091 - 2¹⁵ = 2010221169323 is a prime.

It is not a weakly prime, because it can be changed into another prime (2010221202001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005110601045 + 1005110601046.

It is an arithmetic number, because the mean of its divisors is an integer number (1005110601046).

Almost surely, 2^{2010221202091} is an apocalyptic number.

2010221202091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010221202091 is an equidigital number, since it uses as much as digits as its factorization.

2010221202091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 2010221202091 its reverse (1902021220102), we get a palindrome (3912242422193).

The spelling of 2010221202091 in words is "two trillion, ten billion, two hundred twenty-one million, two hundred two thousand, ninety-one".