11022212011021 has 8 divisors (see below), whose sum is σ = 11670806299320. Its totient is φ = 10373643153408.

The previous prime is 11022212010961. The next prime is 11022212011067. The reversal of 11022212011021 is 12011021222011.

It can be written as a sum of positive squares in 4 ways, for example, as 3994357990921 + 7027854020100 = 1998589^2 + 2651010^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11022212011021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11022212010986 and 11022212011004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022212011121) 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, 5461716 + ... + 7202413.

It is an arithmetic number, because the mean of its divisors is an integer number (1458850787415).

Almost surely, 2^{11022212011021} is an apocalyptic number.

It is an amenable number.

11022212011021 is a deficient number, since it is larger than the sum of its proper divisors (648594288299).

11022212011021 is a wasteful number, since it uses less digits than its factorization.

11022212011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12715343.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11022212011021 its reverse (12011021222011), we get a palindrome (23033233233032).

The spelling of 11022212011021 in words is "eleven trillion, twenty-two billion, two hundred twelve million, eleven thousand, twenty-one".