21301211102 has 32 divisors (see below), whose sum is σ = 33594421248. Its totient is φ = 10116540000.

The previous prime is 21301211101. The next prime is 21301211117. The reversal of 21301211102 is 20111210312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21301211101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1851227 + ... + 1862697.

It is an arithmetic number, because the mean of its divisors is an integer number (1049825664).

Almost surely, 2^21301211102 is an apocalyptic number.

21301211102 is a deficient number, since it is larger than the sum of its proper divisors (12293210146).

21301211102 is a wasteful number, since it uses less digits than its factorization.

21301211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12056.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 21301211102 its reverse (20111210312), we get a palindrome (41412421414).

The spelling of 21301211102 in words is "twenty-one billion, three hundred one million, two hundred eleven thousand, one hundred two".