21001110311301 has 16 divisors (see below), whose sum is σ = 28874899881984. Its totient is φ = 13569814709424.

The previous prime is 21001110311267. The next prime is 21001110311317. The reversal of 21001110311301 is 10311301110012.

It is not a de Polignac number, because 21001110311301 - 2¹⁰ = 21001110310277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21001110313301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723014821 + ... + 723043866.

It is an arithmetic number, because the mean of its divisors is an integer number (1804681242624).

Almost surely, 2^{21001110311301} is an apocalyptic number.

It is an amenable number.

21001110311301 is a deficient number, since it is larger than the sum of its proper divisors (7873789570683).

21001110311301 is a wasteful number, since it uses less digits than its factorization.

21001110311301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446058840.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 21001110311301 its reverse (10311301110012), we get a palindrome (31312411421313).

The spelling of 21001110311301 in words is "twenty-one trillion, one billion, one hundred ten million, three hundred eleven thousand, three hundred one".