11211220011022 has 4 divisors (see below), whose sum is σ = 16816830016536. Its totient is φ = 5605610005510.

The previous prime is 11211220011011. The next prime is 11211220011023. The reversal of 11211220011022 is 22011002211211.

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 = 11211220010987 and 11211220011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211220011023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802805002754 + ... + 2802805002757.

It is an arithmetic number, because the mean of its divisors is an integer number (4204207504134).

Almost surely, 2^{11211220011022} is an apocalyptic number.

11211220011022 is a deficient number, since it is larger than the sum of its proper divisors (5605610005514).

11211220011022 is an equidigital number, since it uses as much as digits as its factorization.

11211220011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605610005513.

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

Adding to 11211220011022 its reverse (22011002211211), we get a palindrome (33222222222233).

The spelling of 11211220011022 in words is "eleven trillion, two hundred eleven billion, two hundred twenty million, eleven thousand, twenty-two".