11022121222021 has 48 divisors (see below), whose sum is σ = 14412630758400. Its totient is φ = 8339113423872.

The previous prime is 11022121222003. The next prime is 11022121222037. The reversal of 11022121222021 is 12022212122011.

11022121222021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11022121222021 - 2⁷ = 11022121221893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11022121222021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022121222001) 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, 49100725 + ... + 49324693.

It is an arithmetic number, because the mean of its divisors is an integer number (300263140800).

Almost surely, 2^{11022121222021} is an apocalyptic number.

It is an amenable number.

11022121222021 is a deficient number, since it is larger than the sum of its proper divisors (3390509536379).

11022121222021 is a wasteful number, since it uses less digits than its factorization.

11022121222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227378 (or 227371 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11022121222021 its reverse (12022212122011), we get a palindrome (23044333344032).

The spelling of 11022121222021 in words is "eleven trillion, twenty-two billion, one hundred twenty-one million, two hundred twenty-two thousand, twenty-one".