11211201022110 has 96 divisors (see below), whose sum is σ = 29165071354272. Its totient is φ = 2755754576640.

The previous prime is 11211201022051. The next prime is 11211201022117. The reversal of 11211201022110 is 1122010211211.

It is a happy number.

11211201022110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11211201022110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211201022117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13588461 + ... + 14389880.

It is an arithmetic number, because the mean of its divisors is an integer number (303802826607).

Almost surely, 2^{11211201022110} is an apocalyptic number.

11211201022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211201022110 is an abundant number, since it is smaller than the sum of its proper divisors (17953870332162).

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

11211201022110 is a wasteful number, since it uses less digits than its factorization.

11211201022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27978426 (or 27978407 counting only the distinct ones).

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

Adding to 11211201022110 its reverse (1122010211211), we get a palindrome (12333211233321).

The spelling of 11211201022110 in words is "eleven trillion, two hundred eleven billion, two hundred one million, twenty-two thousand, one hundred ten".