20112211220219 has 2 divisors, whose sum is σ = 20112211220220. Its totient is φ = 20112211220218.

The previous prime is 20112211220183. The next prime is 20112211220263. The reversal of 20112211220219 is 91202211221102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20112211220219 - 2¹⁶ = 20112211154683 is a prime.

It is a super-4 number, since 4×20112211220219⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is not a weakly prime, because it can be changed into another prime (20112211220419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056105610109 + 10056105610110.

It is an arithmetic number, because the mean of its divisors is an integer number (10056105610110).

Almost surely, 2^{20112211220219} is an apocalyptic number.

20112211220219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112211220219 is an equidigital number, since it uses as much as digits as its factorization.

20112211220219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 20112211220219 in words is "twenty trillion, one hundred twelve billion, two hundred eleven million, two hundred twenty thousand, two hundred nineteen".