21022310400011 has 4 divisors (see below), whose sum is σ = 21071086062624. Its totient is φ = 20973534737400.

The previous prime is 21022310399999. The next prime is 21022310400037. The reversal of 21022310400011 is 11000401322012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21022310400011 - 2⁶ = 21022310399947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21022310400041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24387830660 + ... + 24387831521.

It is an arithmetic number, because the mean of its divisors is an integer number (5267771515656).

Almost surely, 2^{21022310400011} is an apocalyptic number.

21022310400011 is a deficient number, since it is larger than the sum of its proper divisors (48775662613).

21022310400011 is an equidigital number, since it uses as much as digits as its factorization.

21022310400011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48775662612.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21022310400011 its reverse (11000401322012), we get a palindrome (32022711722023).

The spelling of 21022310400011 in words is "twenty-one trillion, twenty-two billion, three hundred ten million, four hundred thousand, eleven".