21120101301 has 64 divisors (see below), whose sum is σ = 32420908800. Its totient is φ = 12121933824.

The previous prime is 21120101287. The next prime is 21120101311. The reversal of 21120101301 is 10310102112.

It is not a de Polignac number, because 21120101301 - 2⁵ = 21120101269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21120101311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19322511 + ... + 19323603.

It is an arithmetic number, because the mean of its divisors is an integer number (506576700).

Almost surely, 2^21120101301 is an apocalyptic number.

It is an amenable number.

21120101301 is a deficient number, since it is larger than the sum of its proper divisors (11300807499).

21120101301 is a wasteful number, since it uses less digits than its factorization.

21120101301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 21120101301 its reverse (10310102112), we get a palindrome (31430203413).

The spelling of 21120101301 in words is "twenty-one billion, one hundred twenty million, one hundred one thousand, three hundred one".