215420210119 has 4 divisors (see below), whose sum is σ = 216623675160. Its totient is φ = 214216745080.

The previous prime is 215420210039. The next prime is 215420210183. The reversal of 215420210119 is 911012024512.

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 215420210119 - 2¹¹ = 215420208071 is a prime.

It is a super-2 number, since 2×215420210119² (a number of 23 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 (215420210189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601732252 + ... + 601732609.

It is an arithmetic number, because the mean of its divisors is an integer number (54155918790).

Almost surely, 2^215420210119 is an apocalyptic number.

215420210119 is a deficient number, since it is larger than the sum of its proper divisors (1203465041).

215420210119 is a wasteful number, since it uses less digits than its factorization.

215420210119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203465040.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 215420210119 in words is "two hundred fifteen billion, four hundred twenty million, two hundred ten thousand, one hundred nineteen".