11102111112220 has 48 divisors (see below), whose sum is σ = 24342225707520. Its totient is φ = 4245298618176.

The previous prime is 11102111112199. The next prime is 11102111112221. The reversal of 11102111112220 is 2221111120111.

It is a super-2 number, since 2×11102111112220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11102111112194 and 11102111112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102111112221) 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, 6211200 + ... + 7796359.

It is an arithmetic number, because the mean of its divisors is an integer number (507129702240).

Almost surely, 2^{11102111112220} is an apocalyptic number.

11102111112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102111112220 is an abundant number, since it is smaller than the sum of its proper divisors (13240114595300).

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

11102111112220 is a wasteful number, since it uses less digits than its factorization.

11102111112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14009314 (or 14009312 counting only the distinct ones).

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

Adding to 11102111112220 its reverse (2221111120111), we get a palindrome (13323222232331).

The spelling of 11102111112220 in words is "eleven trillion, one hundred two billion, one hundred eleven million, one hundred twelve thousand, two hundred twenty".