11020022201221 has 8 divisors (see below), whose sum is σ = 12095596037664. Its totient is φ = 9956740637520.

The previous prime is 11020022201191. The next prime is 11020022201261. The reversal of 11020022201221 is 12210222002011.

It is a happy number.

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 11020022201221 - 2¹³ = 11020022193029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020022201195 and 11020022201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020022201261) 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, 3073066306 + ... + 3073069891.

It is an arithmetic number, because the mean of its divisors is an integer number (1511949504708).

Almost surely, 2^{11020022201221} is an apocalyptic number.

11020022201221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11020022201221 is a deficient number, since it is larger than the sum of its proper divisors (1075573836443).

11020022201221 is a wasteful number, since it uses less digits than its factorization.

11020022201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6146136371.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11020022201221 its reverse (12210222002011), we get a palindrome (23230244203232).

The spelling of 11020022201221 in words is "eleven trillion, twenty billion, twenty-two million, two hundred one thousand, two hundred twenty-one".