11102222211220 has 48 divisors (see below), whose sum is σ = 26653362543360. Its totient is φ = 3805329153024.

The previous prime is 11102222211217. The next prime is 11102222211229. The reversal of 11102222211220 is 2211222220111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102222211229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11481949 + ... + 12411268.

It is an arithmetic number, because the mean of its divisors is an integer number (555278386320).

Almost surely, 2^{11102222211220} is an apocalyptic number.

11102222211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102222211220 is an abundant number, since it is smaller than the sum of its proper divisors (15551140332140).

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

11102222211220 is a wasteful number, since it uses less digits than its factorization.

11102222211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23896552 (or 23896550 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11102222211220 its reverse (2211222220111), we get a palindrome (13313444431331).

The spelling of 11102222211220 in words is "eleven trillion, one hundred two billion, two hundred twenty-two million, two hundred eleven thousand, two hundred twenty".