11001222020022 has 32 divisors (see below), whose sum is σ = 23698305243648. Its totient is φ = 3384510603936.

The previous prime is 11001222019993. The next prime is 11001222020027. The reversal of 11001222020022 is 22002022210011.

It is a junction number, because it is equal to n+sod(n) for n = 11001222019983 and 11001222020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001222020027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9463518 + ... + 10562225.

It is an arithmetic number, because the mean of its divisors is an integer number (740572038864).

Almost surely, 2^{11001222020022} is an apocalyptic number.

11001222020022 is an abundant number, since it is smaller than the sum of its proper divisors (12697083223626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11001222020022 is a wasteful number, since it uses less digits than its factorization.

11001222020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20032804.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11001222020022 its reverse (22002022210011), we get a palindrome (33003244230033).

The spelling of 11001222020022 in words is "eleven trillion, one billion, two hundred twenty-two million, twenty thousand, twenty-two".