21232010232011 has 2 divisors, whose sum is σ = 21232010232012. Its totient is φ = 21232010232010.

The previous prime is 21232010232007. The next prime is 21232010232053. The reversal of 21232010232011 is 11023201023212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21232010232011 - 2² = 21232010232007 is a prime.

It is not a weakly prime, because it can be changed into another prime (21232010232091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616005116005 + 10616005116006.

It is an arithmetic number, because the mean of its divisors is an integer number (10616005116006).

Almost surely, 2^{21232010232011} is an apocalyptic number.

21232010232011 is a deficient number, since it is larger than the sum of its proper divisors (1).

21232010232011 is an equidigital number, since it uses as much as digits as its factorization.

21232010232011 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 20.

Adding to 21232010232011 its reverse (11023201023212), we get a palindrome (32255211255223).

The spelling of 21232010232011 in words is "twenty-one trillion, two hundred thirty-two billion, ten million, two hundred thirty-two thousand, eleven".