20112021222019 has 2 divisors, whose sum is σ = 20112021222020. Its totient is φ = 20112021222018.

The previous prime is 20112021222001. The next prime is 20112021222023. The reversal of 20112021222019 is 91022212021102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20112021222019 - 2²³ = 20112012833411 is a prime.

It is a super-2 number, since 2×20112021222019² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20112021221984 and 20112021222002.

It is not a weakly prime, because it can be changed into another prime (20112021225019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056010611009 + 10056010611010.

It is an arithmetic number, because the mean of its divisors is an integer number (10056010611010).

Almost surely, 2^{20112021222019} is an apocalyptic number.

20112021222019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112021222019 is an equidigital number, since it uses as much as digits as its factorization.

20112021222019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 20112021222019 in words is "twenty trillion, one hundred twelve billion, twenty-one million, two hundred twenty-two thousand, nineteen".