21202233023011 has 2 divisors, whose sum is σ = 21202233023012. Its totient is φ = 21202233023010.

The previous prime is 21202233022969. The next prime is 21202233023021. The reversal of 21202233023011 is 11032033220212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21202233023011 - 2¹⁵ = 21202232990243 is a prime.

It is a super-2 number, since 2×21202233023011² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21202233023021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10601116511505 + 10601116511506.

It is an arithmetic number, because the mean of its divisors is an integer number (10601116511506).

Almost surely, 2^{21202233023011} is an apocalyptic number.

21202233023011 is a deficient number, since it is larger than the sum of its proper divisors (1).

21202233023011 is an equidigital number, since it uses as much as digits as its factorization.

21202233023011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21202233023011 its reverse (11032033220212), we get a palindrome (32234266243223).

The spelling of 21202233023011 in words is "twenty-one trillion, two hundred two billion, two hundred thirty-three million, twenty-three thousand, eleven".