11112110020220 has 96 divisors (see below), whose sum is σ = 25753927643136. Its totient is φ = 3993721804800.

The previous prime is 11112110020169. The next prime is 11112110020273. The reversal of 11112110020220 is 2202001121111.

It is a junction number, because it is equal to n+sod(n) for n = 11112110020195 and 11112110020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15505205 + ... + 16206035.

It is an arithmetic number, because the mean of its divisors is an integer number (268270079616).

Almost surely, 2^{11112110020220} is an apocalyptic number.

11112110020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11112110020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12876963821568).

11112110020220 is an abundant number, since it is smaller than the sum of its proper divisors (14641817622916).

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

11112110020220 is a wasteful number, since it uses less digits than its factorization.

11112110020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701691 (or 701689 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11112110020220 its reverse (2202001121111), we get a palindrome (13314111141331).

The spelling of 11112110020220 in words is "eleven trillion, one hundred twelve billion, one hundred ten million, twenty thousand, two hundred twenty".