21023232002011 has 8 divisors (see below), whose sum is σ = 21121353471680. Its totient is φ = 20925165462912.

The previous prime is 21023232001939. The next prime is 21023232002021. The reversal of 21023232002011 is 11020023232012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21023232002011 - 2⁷ = 21023232001883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21023232002011.

It is not an unprimeable number, because it can be changed into a prime (21023232002021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12965310 + ... + 14496403.

It is an arithmetic number, because the mean of its divisors is an integer number (2640169183960).

Almost surely, 2^{21023232002011} is an apocalyptic number.

21023232002011 is a deficient number, since it is larger than the sum of its proper divisors (98121469669).

21023232002011 is a wasteful number, since it uses less digits than its factorization.

21023232002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27465285.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21023232002011 its reverse (11020023232012), we get a palindrome (32043255234023).

The spelling of 21023232002011 in words is "twenty-one trillion, twenty-three billion, two hundred thirty-two million, two thousand, eleven".