21210000301331 has 2 divisors, whose sum is σ = 21210000301332. Its totient is φ = 21210000301330.

The previous prime is 21210000301291. The next prime is 21210000301387. The reversal of 21210000301331 is 13310300001212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21210000301331 - 2¹⁴ = 21210000284947 is a prime.

It is a super-2 number, since 2×21210000301331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21210000501331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10605000150665 + 10605000150666.

It is an arithmetic number, because the mean of its divisors is an integer number (10605000150666).

Almost surely, 2^{21210000301331} is an apocalyptic number.

21210000301331 is a deficient number, since it is larger than the sum of its proper divisors (1).

21210000301331 is an equidigital number, since it uses as much as digits as its factorization.

21210000301331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21210000301331 its reverse (13310300001212), we get a palindrome (34520300302543).

The spelling of 21210000301331 in words is "twenty-one trillion, two hundred ten billion, three hundred one thousand, three hundred thirty-one".