11223130212021 has 48 divisors (see below), whose sum is σ = 18519369624960. Its totient is φ = 5919659366400.

The previous prime is 11223130211977. The next prime is 11223130212037. The reversal of 11223130212021 is 12021203132211.

It is not a de Polignac number, because 11223130212021 - 2²² = 11223126017717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223130211021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125593485 + ... + 125682813.

It is an arithmetic number, because the mean of its divisors is an integer number (385820200520).

Almost surely, 2^{11223130212021} is an apocalyptic number.

It is an amenable number.

11223130212021 is a deficient number, since it is larger than the sum of its proper divisors (7296239412939).

11223130212021 is a wasteful number, since it uses less digits than its factorization.

11223130212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124766 (or 124753 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11223130212021 its reverse (12021203132211), we get a palindrome (23244333344232).

The spelling of 11223130212021 in words is "eleven trillion, two hundred twenty-three billion, one hundred thirty million, two hundred twelve thousand, twenty-one".