11221110002120 has 16 divisors (see below), whose sum is σ = 25247497504860. Its totient is φ = 4488444000832.

The previous prime is 11221110002083. The next prime is 11221110002129. The reversal of 11221110002120 is 2120001112211.

It can be written as a sum of positive squares in 2 ways, for example, as 10952273974084 + 268836028036 = 3309422^2 + 518494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11221110002095 and 11221110002104.

It is not an unprimeable number, because it can be changed into a prime (11221110002129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140263874987 + ... + 140263875066.

Almost surely, 2^{11221110002120} is an apocalyptic number.

11221110002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221110002120 is an abundant number, since it is smaller than the sum of its proper divisors (14026387502740).

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

11221110002120 is a wasteful number, since it uses less digits than its factorization.

11221110002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280527750064 (or 280527750060 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11221110002120 its reverse (2120001112211), we get a palindrome (13341111114331).

The spelling of 11221110002120 in words is "eleven trillion, two hundred twenty-one billion, one hundred ten million, two thousand, one hundred twenty".