221101212119 has 4 divisors (see below), whose sum is σ = 232738118040. Its totient is φ = 209464306200.

The previous prime is 221101212113. The next prime is 221101212139. The reversal of 221101212119 is 911212101122.

It is a happy number.

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 221101212119 - 2⁴ = 221101212103 is a prime.

It is a super-2 number, since 2×221101212119² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221101212094 and 221101212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221101212113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5818452932 + ... + 5818452969.

It is an arithmetic number, because the mean of its divisors is an integer number (58184529510).

Almost surely, 2^221101212119 is an apocalyptic number.

221101212119 is a deficient number, since it is larger than the sum of its proper divisors (11636905921).

221101212119 is a wasteful number, since it uses less digits than its factorization.

221101212119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11636905920.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 221101212119 in words is "two hundred twenty-one billion, one hundred one million, two hundred twelve thousand, one hundred nineteen".