11120121012210 has 128 divisors (see below), whose sum is σ = 31928717721600. Its totient is φ = 2423463584256.

The previous prime is 11120121012199. The next prime is 11120121012211. The reversal of 11120121012210 is 1221012102111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11120121012210.

It is not an unprimeable number, because it can be changed into a prime (11120121012211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2166010 + ... + 5189589.

It is an arithmetic number, because the mean of its divisors is an integer number (249443107200).

Almost surely, 2^{11120121012210} is an apocalyptic number.

11120121012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11120121012210 is an abundant number, since it is smaller than the sum of its proper divisors (20808596709390).

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

11120121012210 is a wasteful number, since it uses less digits than its factorization.

11120121012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7355952.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11120121012210 its reverse (1221012102111), we get a palindrome (12341133114321).

The spelling of 11120121012210 in words is "eleven trillion, one hundred twenty billion, one hundred twenty-one million, twelve thousand, two hundred ten".