21122220012219 has 40 divisors (see below), whose sum is σ = 32332273796592. Its totient is φ = 13733887875840.

The previous prime is 21122220012197. The next prime is 21122220012241. The reversal of 21122220012219 is 91221002222112.

21122220012219 is a `hidden beast` number, since 2 + 11 + 222 + 200 + 1 + 221 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (21122220012197) and next prime (21122220012241).

It is not a de Polignac number, because 21122220012219 - 2⁹ = 21122220011707 is a prime.

It is a super-2 number, since 2×21122220012219² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 21122220012192 and 21122220012201.

It is not an unprimeable number, because it can be changed into a prime (21122220012269) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10078687 + ... + 11992679.

Almost surely, 2^{21122220012219} is an apocalyptic number.

21122220012219 is a deficient number, since it is larger than the sum of its proper divisors (11210053784373).

21122220012219 is a wasteful number, since it uses less digits than its factorization.

21122220012219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917369 (or 1917360 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 21122220012219 in words is "twenty-one trillion, one hundred twenty-two billion, two hundred twenty million, twelve thousand, two hundred nineteen".