221220100003319 has 2 divisors, whose sum is σ = 221220100003320. Its totient is φ = 221220100003318.

The previous prime is 221220100003211. The next prime is 221220100003379. The reversal of 221220100003319 is 913300001022122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221220100003319 is a prime.

It is a super-2 number, since 2×221220100003319² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221220100003379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110610050001659 + 110610050001660.

It is an arithmetic number, because the mean of its divisors is an integer number (110610050001660).

Almost surely, 2^{221220100003319} is an apocalyptic number.

221220100003319 is a deficient number, since it is larger than the sum of its proper divisors (1).

221220100003319 is an equidigital number, since it uses as much as digits as its factorization.

221220100003319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 221220100003319 in words is "two hundred twenty-one trillion, two hundred twenty billion, one hundred million, three thousand, three hundred nineteen".