21302201011 has 8 divisors (see below), whose sum is σ = 26218093664. Its totient is φ = 16854488640.

The previous prime is 21302201009. The next prime is 21302201017. The reversal of 21302201011 is 11010220312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21302201011 - 2¹ = 21302201009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 21302200982 and 21302201000.

It is not an unprimeable number, because it can be changed into a prime (21302201017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117044970 + ... + 117045151.

It is an arithmetic number, because the mean of its divisors is an integer number (3277261708).

Almost surely, 2^21302201011 is an apocalyptic number.

21302201011 is a deficient number, since it is larger than the sum of its proper divisors (4915892653).

21302201011 is a wasteful number, since it uses less digits than its factorization.

21302201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234090141.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21302201011 its reverse (11010220312), we get a palindrome (32312421323).

The spelling of 21302201011 in words is "twenty-one billion, three hundred two million, two hundred one thousand, eleven".