11021213152021 has 8 divisors (see below), whose sum is σ = 11048166106560. Its totient is φ = 10994268596928.

The previous prime is 11021213152009. The next prime is 11021213152031. The reversal of 11021213152021 is 12025131212011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11021213152021 - 2⁵ = 11021213151989 is a prime.

It is a super-3 number, since 3×11021213152021³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021213151983 and 11021213152001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021213152031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531645 + ... + 4724941.

It is an arithmetic number, because the mean of its divisors is an integer number (1381020763320).

Almost surely, 2^{11021213152021} is an apocalyptic number.

It is an amenable number.

11021213152021 is a deficient number, since it is larger than the sum of its proper divisors (26952954539).

11021213152021 is an equidigital number, since it uses as much as digits as its factorization.

11021213152021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4199723.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 11021213152021 its reverse (12025131212011), we get a palindrome (23046344364032).

The spelling of 11021213152021 in words is "eleven trillion, twenty-one billion, two hundred thirteen million, one hundred fifty-two thousand, twenty-one".