11101221112110 has 64 divisors (see below), whose sum is σ = 27544222278144. Its totient is φ = 2861241840000.

The previous prime is 11101221112097. The next prime is 11101221112117. The reversal of 11101221112110 is 1121112210111.

It is a super-2 number, since 2×11101221112110² (a number of 27 digits) contains 22 as substring.

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 11101221112110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101221112117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32948616 + ... + 33283835.

It is an arithmetic number, because the mean of its divisors is an integer number (430378473096).

Almost surely, 2^{11101221112110} is an apocalyptic number.

11101221112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11101221112110 is an abundant number, since it is smaller than the sum of its proper divisors (16443001166034).

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

11101221112110 is a wasteful number, since it uses less digits than its factorization.

11101221112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66232649.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11101221112110 its reverse (1121112210111), we get a palindrome (12222333322221).

The spelling of 11101221112110 in words is "eleven trillion, one hundred one billion, two hundred twenty-one million, one hundred twelve thousand, one hundred ten".