11202120002120 has 16 divisors (see below), whose sum is σ = 25204770004860. Its totient is φ = 4480848000832.

The previous prime is 11202120002119. The next prime is 11202120002131. The reversal of 11202120002120 is 2120002120211.

It can be written as a sum of positive squares in 2 ways, for example, as 10941368835076 + 260751167044 = 3307774^2 + 510638^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11202120002095 and 11202120002104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140026499987 + ... + 140026500066.

Almost surely, 2^{11202120002120} is an apocalyptic number.

11202120002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202120002120 is an abundant number, since it is smaller than the sum of its proper divisors (14002650002740).

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

11202120002120 is a wasteful number, since it uses less digits than its factorization.

11202120002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280053000064 (or 280053000060 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11202120002120 its reverse (2120002120211), we get a palindrome (13322122122331).

The spelling of 11202120002120 in words is "eleven trillion, two hundred two billion, one hundred twenty million, two thousand, one hundred twenty".