21232111202301 has 16 divisors (see below), whose sum is σ = 28483075544000. Its totient is φ = 14068208055168.

The previous prime is 21232111202293. The next prime is 21232111202303. The reversal of 21232111202301 is 10320211123212.

It is not a de Polignac number, because 21232111202301 - 2³ = 21232111202293 is a prime.

It is a super-2 number, since 2×21232111202301² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232111202303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32706256 + ... + 33349113.

It is an arithmetic number, because the mean of its divisors is an integer number (1780192221500).

Almost surely, 2^{21232111202301} is an apocalyptic number.

It is an amenable number.

21232111202301 is a deficient number, since it is larger than the sum of its proper divisors (7250964341699).

21232111202301 is a wasteful number, since it uses less digits than its factorization.

21232111202301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66056028.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21232111202301 its reverse (10320211123212), we get a palindrome (31552322325513).

The spelling of 21232111202301 in words is "twenty-one trillion, two hundred thirty-two billion, one hundred eleven million, two hundred two thousand, three hundred one".