11211021122120 has 32 divisors (see below), whose sum is σ = 25528710755520. Its totient is φ = 4430379430080.

The previous prime is 11211021122117. The next prime is 11211021122129. The reversal of 11211021122120 is 2122112011211.

It is not an unprimeable number, because it can be changed into a prime (11211021122129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1688403476 + ... + 1688410115.

It is an arithmetic number, because the mean of its divisors is an integer number (797772211110).

Almost surely, 2^{11211021122120} is an apocalyptic number.

11211021122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211021122120 is an abundant number, since it is smaller than the sum of its proper divisors (14317689633400).

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

11211021122120 is a wasteful number, since it uses less digits than its factorization.

11211021122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376813685 (or 3376813681 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11211021122120 its reverse (2122112011211), we get a palindrome (13333133133331).

The spelling of 11211021122120 in words is "eleven trillion, two hundred eleven billion, twenty-one million, one hundred twenty-two thousand, one hundred twenty".