11221120221022 has 4 divisors (see below), whose sum is σ = 16831680331536. Its totient is φ = 5610560110510.

The previous prime is 11221120220971. The next prime is 11221120221053. The reversal of 11221120221022 is 22012202112211.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805280055254 + ... + 2805280055257.

It is an arithmetic number, because the mean of its divisors is an integer number (4207920082884).

Almost surely, 2^{11221120221022} is an apocalyptic number.

11221120221022 is a deficient number, since it is larger than the sum of its proper divisors (5610560110514).

11221120221022 is an equidigital number, since it uses as much as digits as its factorization.

11221120221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610560110513.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11221120221022 its reverse (22012202112211), we get a palindrome (33233322333233).

The spelling of 11221120221022 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty million, two hundred twenty-one thousand, twenty-two".