2213244012021 has 16 divisors (see below), whose sum is σ = 3372586320000. Its totient is φ = 1264701858048.

The previous prime is 2213244012017. The next prime is 2213244012037. The reversal of 2213244012021 is 1202104423122.

It is not a de Polignac number, because 2213244012021 - 2² = 2213244012017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2213244011982 and 2213244012000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213244012071) 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 15 ways as a sum of consecutive naturals, for example, 3646305 + ... + 4209753.

It is an arithmetic number, because the mean of its divisors is an integer number (210786645000).

Almost surely, 2^{2213244012021} is an apocalyptic number.

2213244012021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2213244012021 is a deficient number, since it is larger than the sum of its proper divisors (1159342307979).

2213244012021 is a wasteful number, since it uses less digits than its factorization.

2213244012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750508.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2213244012021 its reverse (1202104423122), we get a palindrome (3415348435143).

The spelling of 2213244012021 in words is "two trillion, two hundred thirteen billion, two hundred forty-four million, twelve thousand, twenty-one".