11221000202120 has 16 divisors (see below), whose sum is σ = 25247250454860. Its totient is φ = 4488400080832.

The previous prime is 11221000202059. The next prime is 11221000202129. The reversal of 11221000202120 is 2120200012211.

11221000202120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11065349437444 + 155650764676 = 3326462^2 + 394526^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11221000202095 and 11221000202104.

It is not an unprimeable number, because it can be changed into a prime (11221000202129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140262502487 + ... + 140262502566.

Almost surely, 2^{11221000202120} is an apocalyptic number.

11221000202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221000202120 is an abundant number, since it is smaller than the sum of its proper divisors (14026250252740).

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

11221000202120 is a wasteful number, since it uses less digits than its factorization.

11221000202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280525005064 (or 280525005060 counting only the distinct ones).

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

Adding to 11221000202120 its reverse (2120200012211), we get a palindrome (13341200214331).

The spelling of 11221000202120 in words is "eleven trillion, two hundred twenty-one billion, two hundred two thousand, one hundred twenty".