21374326122371 has 2 divisors, whose sum is σ = 21374326122372. Its totient is φ = 21374326122370.

The previous prime is 21374326122361. The next prime is 21374326122379. The reversal of 21374326122371 is 17322162347312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21374326122371 - 2¹⁰ = 21374326121347 is a prime.

It is not a weakly prime, because it can be changed into another prime (21374326122379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10687163061185 + 10687163061186.

It is an arithmetic number, because the mean of its divisors is an integer number (10687163061186).

Almost surely, 2^{21374326122371} is an apocalyptic number.

21374326122371 is a deficient number, since it is larger than the sum of its proper divisors (1).

21374326122371 is an equidigital number, since it uses as much as digits as its factorization.

21374326122371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 44.

Adding to 21374326122371 its reverse (17322162347312), we get a palindrome (38696488469683).

The spelling of 21374326122371 in words is "twenty-one trillion, three hundred seventy-four billion, three hundred twenty-six million, one hundred twenty-two thousand, three hundred seventy-one".