11221020011122 has 4 divisors (see below), whose sum is σ = 16831530016686. Its totient is φ = 5610510005560.

The previous prime is 11221020011111. The next prime is 11221020011129. The reversal of 11221020011122 is 22111002012211.

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

It can be written as a sum of positive squares in only one way, i.e., 6515465556681 + 4705554454441 = 2552541^2 + 2169229^2 .

It is a super-2 number, since 2×11221020011122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221020011096 and 11221020011105.

It is not an unprimeable number, because it can be changed into a prime (11221020011129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805255002779 + ... + 2805255002782.

Almost surely, 2^{11221020011122} is an apocalyptic number.

11221020011122 is a deficient number, since it is larger than the sum of its proper divisors (5610510005564).

11221020011122 is an equidigital number, since it uses as much as digits as its factorization.

11221020011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610510005563.

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

Adding to 11221020011122 its reverse (22111002012211), we get a palindrome (33332022023333).

The spelling of 11221020011122 in words is "eleven trillion, two hundred twenty-one billion, twenty million, eleven thousand, one hundred twenty-two".