21102201119 has 4 divisors (see below), whose sum is σ = 21107004744. Its totient is φ = 21097397496.

The previous prime is 21102201101. The next prime is 21102201137. The reversal of 21102201119 is 91110220112.

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

It is an interprime number because it is at equal distance from previous prime (21102201101) and next prime (21102201137).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21102201119 is a prime.

It is a super-2 number, since 2×21102201119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21102201119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21102201179) 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, 2395217 + ... + 2404010.

It is an arithmetic number, because the mean of its divisors is an integer number (5276751186).

Almost surely, 2^21102201119 is an apocalyptic number.

21102201119 is a deficient number, since it is larger than the sum of its proper divisors (4803625).

21102201119 is an equidigital number, since it uses as much as digits as its factorization.

21102201119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803624.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 21102201119 in words is "twenty-one billion, one hundred two million, two hundred one thousand, one hundred nineteen".