21202301300231 has 16 divisors (see below), whose sum is σ = 23088850418400. Its totient is φ = 19392878736000.

The previous prime is 21202301300153. The next prime is 21202301300237. The reversal of 21202301300231 is 13200310320212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21202301300231 is a prime.

It is a super-2 number, since 2×21202301300231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202301300237) 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, 11472281 + ... + 13191581.

It is an arithmetic number, because the mean of its divisors is an integer number (1443053151150).

Almost surely, 2^{21202301300231} is an apocalyptic number.

21202301300231 is a deficient number, since it is larger than the sum of its proper divisors (1886549118169).

21202301300231 is a wasteful number, since it uses less digits than its factorization.

21202301300231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741730.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21202301300231 its reverse (13200310320212), we get a palindrome (34402611620443).

The spelling of 21202301300231 in words is "twenty-one trillion, two hundred two billion, three hundred one million, three hundred thousand, two hundred thirty-one".