21002210301 has 16 divisors (see below), whose sum is σ = 28125757440. Its totient is φ = 13940141040.

The previous prime is 21002210293. The next prime is 21002210311. The reversal of 21002210301 is 10301220012.

It is not a de Polignac number, because 21002210301 - 2³ = 21002210293 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 (21002210311) 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, 1278820 + ... + 1295138.

It is an arithmetic number, because the mean of its divisors is an integer number (1757859840).

Almost surely, 2^21002210301 is an apocalyptic number.

It is an amenable number.

21002210301 is a deficient number, since it is larger than the sum of its proper divisors (7123547139).

21002210301 is a wasteful number, since it uses less digits than its factorization.

21002210301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18176.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 21002210301 its reverse (10301220012), we get a palindrome (31303430313).

The spelling of 21002210301 in words is "twenty-one billion, two million, two hundred ten thousand, three hundred one".