2011122220963 has 2 divisors, whose sum is σ = 2011122220964. Its totient is φ = 2011122220962.

The previous prime is 2011122220909. The next prime is 2011122221029. The reversal of 2011122220963 is 3690222211102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011122220963 - 2⁹ = 2011122220451 is a prime.

It is a super-2 number, since 2×2011122220963² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2011122224963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005561110481 + 1005561110482.

It is an arithmetic number, because the mean of its divisors is an integer number (1005561110482).

Almost surely, 2^{2011122220963} is an apocalyptic number.

2011122220963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011122220963 is an equidigital number, since it uses as much as digits as its factorization.

2011122220963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 2011122220963 in words is "two trillion, eleven billion, one hundred twenty-two million, two hundred twenty thousand, nine hundred sixty-three".