21102010101119 has 4 divisors (see below), whose sum is σ = 21102019368840. Its totient is φ = 21102000833400.

The previous prime is 21102010101097. The next prime is 21102010101121. The reversal of 21102010101119 is 91110101020112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 21102010101119 - 2⁸ = 21102010100863 is a prime.

It is a super-3 number, since 3×21102010101119³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 21102010101119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21102010101719) 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, 1403717 + ... + 6646385.

It is an arithmetic number, because the mean of its divisors is an integer number (5275504842210).

Almost surely, 2^{21102010101119} is an apocalyptic number.

21102010101119 is a deficient number, since it is larger than the sum of its proper divisors (9267721).

21102010101119 is an equidigital number, since it uses as much as digits as its factorization.

21102010101119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9267720.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 21102010101119 in words is "twenty-one trillion, one hundred two billion, ten million, one hundred one thousand, one hundred nineteen".