2011120021033 has 2 divisors, whose sum is σ = 2011120021034. Its totient is φ = 2011120021032.

The previous prime is 2011120020961. The next prime is 2011120021039. The reversal of 2011120021033 is 3301200211102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1829505118464 + 181614902569 = 1352592^2 + 426163^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011120021033 - 2²⁵ = 2011086466601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011120020998 and 2011120021016.

It is not a weakly prime, because it can be changed into another prime (2011120021039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005560010516 + 1005560010517.

It is an arithmetic number, because the mean of its divisors is an integer number (1005560010517).

Almost surely, 2^{2011120021033} is an apocalyptic number.

It is an amenable number.

2011120021033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011120021033 is an equidigital number, since it uses as much as digits as its factorization.

2011120021033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2011120021033 its reverse (3301200211102), we get a palindrome (5312320232135).

The spelling of 2011120021033 in words is "two trillion, eleven billion, one hundred twenty million, twenty-one thousand, thirty-three".