11021222022 has 32 divisors (see below), whose sum is σ = 22154090112. Its totient is φ = 3655177344.

The previous prime is 11021221997. The next prime is 11021222029. The reversal of 11021222022 is 22022212011.

It is a junction number, because it is equal to n+sod(n) for n = 11021221992 and 11021222010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021222029) 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, 1076158 + ... + 1086350.

It is an arithmetic number, because the mean of its divisors is an integer number (692315316).

Almost surely, 2^11021222022 is an apocalyptic number.

11021222022 is an abundant number, since it is smaller than the sum of its proper divisors (11132868090).

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

11021222022 is a wasteful number, since it uses less digits than its factorization.

11021222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11092.

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

Adding to 11021222022 its reverse (22022212011), we get a palindrome (33043434033).

The spelling of 11021222022 in words is "eleven billion, twenty-one million, two hundred twenty-two thousand, twenty-two".