21323302201110 has 128 divisors (see below), whose sum is σ = 62988267331584. Its totient is φ = 4498802933760.

The previous prime is 21323302201079. The next prime is 21323302201139. The reversal of 21323302201110 is 1110220332312.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74897430 + ... + 75181590.

It is an arithmetic number, because the mean of its divisors is an integer number (492095838528).

Almost surely, 2^{21323302201110} is an apocalyptic number.

21323302201110 is an abundant number, since it is smaller than the sum of its proper divisors (41664965130474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21323302201110 is a wasteful number, since it uses less digits than its factorization.

21323302201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311678.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21323302201110 its reverse (1110220332312), we get a palindrome (22433522533422).

The spelling of 21323302201110 in words is "twenty-one trillion, three hundred twenty-three billion, three hundred two million, two hundred one thousand, one hundred ten".