11211021101022 has 64 divisors (see below), whose sum is σ = 23738378400000. Its totient is φ = 3523679244288.

The previous prime is 11211021100999. The next prime is 11211021101099. The reversal of 11211021101022 is 22010112011211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11211021100992 and 11211021101010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48735229 + ... + 48964727.

It is an arithmetic number, because the mean of its divisors is an integer number (370912162500).

Almost surely, 2^{11211021101022} is an apocalyptic number.

11211021101022 is an abundant number, since it is smaller than the sum of its proper divisors (12527357298978).

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

11211021101022 is a wasteful number, since it uses less digits than its factorization.

11211021101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236105.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11211021101022 its reverse (22010112011211), we get a palindrome (33221133112233).

The spelling of 11211021101022 in words is "eleven trillion, two hundred eleven billion, twenty-one million, one hundred one thousand, twenty-two".