10221211019 has 4 divisors (see below), whose sum is σ = 10822458744. Its totient is φ = 9619963296.

The previous prime is 10221210977. The next prime is 10221211027. The reversal of 10221211019 is 91011212201.

10221211019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10221211019 - 2²⁰ = 10220162443 is a prime.

It is a super-2 number, since 2×10221211019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221211219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300623837 + ... + 300623870.

It is an arithmetic number, because the mean of its divisors is an integer number (2705614686).

Almost surely, 2^10221211019 is an apocalyptic number.

10221211019 is a deficient number, since it is larger than the sum of its proper divisors (601247725).

10221211019 is an equidigital number, since it uses as much as digits as its factorization.

10221211019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601247724.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 10221211019 in words is "ten billion, two hundred twenty-one million, two hundred eleven thousand, nineteen".