11211202022 has 4 divisors (see below), whose sum is σ = 16816803036. Its totient is φ = 5605601010.

The previous prime is 11211202019. The next prime is 11211202027. The reversal of 11211202022 is 22020211211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22020211211 = 241 ⋅91370171.

It is a junction number, because it is equal to n+sod(n) for n = 11211201988 and 11211202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211202027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802800504 + ... + 2802800507.

It is an arithmetic number, because the mean of its divisors is an integer number (4204200759).

Almost surely, 2^11211202022 is an apocalyptic number.

11211202022 is a deficient number, since it is larger than the sum of its proper divisors (5605601014).

11211202022 is an equidigital number, since it uses as much as digits as its factorization.

11211202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605601013.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11211202022 its reverse (22020211211), we get a palindrome (33231413233).

The spelling of 11211202022 in words is "eleven billion, two hundred eleven million, two hundred two thousand, twenty-two".