21122323302011 has 8 divisors (see below), whose sum is σ = 21815535829824. Its totient is φ = 20438292397320.

The previous prime is 21122323302007. The next prime is 21122323302121. The reversal of 21122323302011 is 11020332322112.

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 21122323302011 - 2² = 21122323302007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21122323302511) 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, 2295401105 + ... + 2295410306.

It is an arithmetic number, because the mean of its divisors is an integer number (2726941978728).

Almost surely, 2^{21122323302011} is an apocalyptic number.

21122323302011 is a deficient number, since it is larger than the sum of its proper divisors (693212527813).

21122323302011 is a wasteful number, since it uses less digits than its factorization.

21122323302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590811561.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21122323302011 its reverse (11020332322112), we get a palindrome (32142655624123).

The spelling of 21122323302011 in words is "twenty-one trillion, one hundred twenty-two billion, three hundred twenty-three million, three hundred two thousand, eleven".