21200122101219 has 16 divisors (see below), whose sum is σ = 28275408266400. Its totient is φ = 14129125799936.

The previous prime is 21200122101217. The next prime is 21200122101247. The reversal of 21200122101219 is 91210122100212.

It is a cyclic number.

It is not a de Polignac number, because 21200122101219 - 2¹ = 21200122101217 is a prime.

It is a super-2 number, since 2×21200122101219² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21200122101217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224880697 + ... + 224974949.

It is an arithmetic number, because the mean of its divisors is an integer number (1767213016650).

Almost surely, 2^{21200122101219} is an apocalyptic number.

21200122101219 is a deficient number, since it is larger than the sum of its proper divisors (7075286165181).

21200122101219 is a wasteful number, since it uses less digits than its factorization.

21200122101219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116214.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 21200122101219 in words is "twenty-one trillion, two hundred billion, one hundred twenty-two million, one hundred one thousand, two hundred nineteen".