21200111210119 has 16 divisors (see below), whose sum is σ = 21519603641088. Its totient is φ = 20882735246592.

The previous prime is 21200111210107. The next prime is 21200111210129. The reversal of 21200111210119 is 91101211100212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21200111210119 - 2¹¹ = 21200111208071 is a prime.

It is a super-2 number, since 2×21200111210119² (a number of 27 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 21200111210119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200111210129) 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 15 ways as a sum of consecutive naturals, for example, 72671262 + ... + 72962404.

It is an arithmetic number, because the mean of its divisors is an integer number (1344975227568).

Almost surely, 2^{21200111210119} is an apocalyptic number.

21200111210119 is a deficient number, since it is larger than the sum of its proper divisors (319492430969).

21200111210119 is a wasteful number, since it uses less digits than its factorization.

21200111210119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294774.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 21200111210119 in words is "twenty-one trillion, two hundred billion, one hundred eleven million, two hundred ten thousand, one hundred nineteen".