11011220211022 has 4 divisors (see below), whose sum is σ = 16516830316536. Its totient is φ = 5505610105510.

The previous prime is 11011220210993. The next prime is 11011220211029. The reversal of 11011220211022 is 22011202211011.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 11011220210987 and 11011220211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011220211029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752805052754 + ... + 2752805052757.

It is an arithmetic number, because the mean of its divisors is an integer number (4129207579134).

Almost surely, 2^{11011220211022} is an apocalyptic number.

11011220211022 is a deficient number, since it is larger than the sum of its proper divisors (5505610105514).

11011220211022 is an equidigital number, since it uses as much as digits as its factorization.

11011220211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505610105513.

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

Adding to 11011220211022 its reverse (22011202211011), we get a palindrome (33022422422033).

The spelling of 11011220211022 in words is "eleven trillion, eleven billion, two hundred twenty million, two hundred eleven thousand, twenty-two".