10221222021019 has 4 divisors (see below), whose sum is σ = 10221228519480. Its totient is φ = 10221215522560.

The previous prime is 10221222021001. The next prime is 10221222021053. The reversal of 10221222021019 is 91012022212201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10221222021019 - 2⁹ = 10221222020507 is a prime.

It is a super-2 number, since 2×10221222021019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221222020984 and 10221222021002.

It is not an unprimeable number, because it can be changed into a prime (10221222031019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754779 + ... + 4583899.

It is an arithmetic number, because the mean of its divisors is an integer number (2555307129870).

Almost surely, 2^{10221222021019} is an apocalyptic number.

10221222021019 is a deficient number, since it is larger than the sum of its proper divisors (6498461).

10221222021019 is an equidigital number, since it uses as much as digits as its factorization.

10221222021019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498460.

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

The spelling of 10221222021019 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, nineteen".