21310201147 has 2 divisors, whose sum is σ = 21310201148. Its totient is φ = 21310201146.

The previous prime is 21310201141. The next prime is 21310201153. The reversal of 21310201147 is 74110201312.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (21310201141) and next prime (21310201153).

It is a cyclic number.

It is not a de Polignac number, because 21310201147 - 2²⁷ = 21175983419 is a prime.

It is not a weakly prime, because it can be changed into another prime (21310201141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10655100573 + 10655100574.

It is an arithmetic number, because the mean of its divisors is an integer number (10655100574).

Almost surely, 2^21310201147 is an apocalyptic number.

21310201147 is a deficient number, since it is larger than the sum of its proper divisors (1).

21310201147 is an equidigital number, since it uses as much as digits as its factorization.

21310201147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 21310201147 its reverse (74110201312), we get a palindrome (95420402459).

The spelling of 21310201147 in words is "twenty-one billion, three hundred ten million, two hundred one thousand, one hundred forty-seven".