219221117655119 has 4 divisors (see below), whose sum is σ = 219486197604744. Its totient is φ = 218956037705496.

The previous prime is 219221117655101. The next prime is 219221117655161. The reversal of 219221117655119 is 911556711122912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 219221117655119 - 2²⁰ = 219221116606543 is a prime.

It is a super-2 number, since 2×219221117655119² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219221117055119) 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 in 3 ways as a sum of consecutive naturals, for example, 132539973572 + ... + 132539975225.

It is an arithmetic number, because the mean of its divisors is an integer number (54871549401186).

Almost surely, 2^{219221117655119} is an apocalyptic number.

219221117655119 is a deficient number, since it is larger than the sum of its proper divisors (265079949625).

219221117655119 is an equidigital number, since it uses as much as digits as its factorization.

219221117655119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265079949624.

The product of its digits is 680400, while the sum is 53.

The spelling of 219221117655119 in words is "two hundred nineteen trillion, two hundred twenty-one billion, one hundred seventeen million, six hundred fifty-five thousand, one hundred nineteen".