21376117061227 has 2 divisors, whose sum is σ = 21376117061228. Its totient is φ = 21376117061226.

The previous prime is 21376117061219. The next prime is 21376117061293. The reversal of 21376117061227 is 72216071167312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21376117061227 - 2³ = 21376117061219 is a prime.

It is not a weakly prime, because it can be changed into another prime (21376117064227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10688058530613 + 10688058530614.

It is an arithmetic number, because the mean of its divisors is an integer number (10688058530614).

Almost surely, 2^{21376117061227} is an apocalyptic number.

21376117061227 is a deficient number, since it is larger than the sum of its proper divisors (1).

21376117061227 is an equidigital number, since it uses as much as digits as its factorization.

21376117061227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 46.

The spelling of 21376117061227 in words is "twenty-one trillion, three hundred seventy-six billion, one hundred seventeen million, sixty-one thousand, two hundred twenty-seven".