11022023121221 has 8 divisors (see below), whose sum is σ = 12601411247040. Its totient is φ = 9443838343968.

The previous prime is 11022023121127. The next prime is 11022023121223. The reversal of 11022023121221 is 12212132022011.

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

It is a de Polignac number, because none of the positive numbers 2^k-11022023121221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11022023121193 and 11022023121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022023121223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300817511 + ... + 300854148.

It is an arithmetic number, because the mean of its divisors is an integer number (1575176405880).

Almost surely, 2^{11022023121221} is an apocalyptic number.

It is an amenable number.

11022023121221 is a deficient number, since it is larger than the sum of its proper divisors (1579388125819).

11022023121221 is an equidigital number, since it uses as much as digits as its factorization.

11022023121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601674283.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11022023121221 its reverse (12212132022011), we get a palindrome (23234155143232).

The spelling of 11022023121221 in words is "eleven trillion, twenty-two billion, twenty-three million, one hundred twenty-one thousand, two hundred twenty-one".