2011122020203 has 2 divisors, whose sum is σ = 2011122020204. Its totient is φ = 2011122020202.

The previous prime is 2011122020179. The next prime is 2011122020233. The reversal of 2011122020203 is 3020202211102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011122020203 - 2¹⁷ = 2011121889131 is a prime.

It is a super-2 number, since 2×2011122020203² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2011122020233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005561010101 + 1005561010102.

It is an arithmetic number, because the mean of its divisors is an integer number (1005561010102).

Almost surely, 2^{2011122020203} is an apocalyptic number.

2011122020203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011122020203 is an equidigital number, since it uses as much as digits as its factorization.

2011122020203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2011122020203 its reverse (3020202211102), we get a palindrome (5031324231305).

The spelling of 2011122020203 in words is "two trillion, eleven billion, one hundred twenty-two million, twenty thousand, two hundred three".