11342111220 has 144 divisors (see below), whose sum is σ = 37574409600. Its totient is φ = 2746502400.

The previous prime is 11342111203. The next prime is 11342111227. The reversal of 11342111220 is 2211124311.

11342111220 is a `hidden beast` number, since 1 + 13 + 421 + 11 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11342111193 and 11342111202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11342111227) 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, 2098081 + ... + 2103479.

It is an arithmetic number, because the mean of its divisors is an integer number (260933400).

Almost surely, 2^11342111220 is an apocalyptic number.

11342111220 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 11342111220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18787204800).

11342111220 is an abundant number, since it is smaller than the sum of its proper divisors (26232298380).

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

11342111220 is a wasteful number, since it uses less digits than its factorization.

11342111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486 (or 6481 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11342111220 its reverse (2211124311), we get a palindrome (13553235531).

The spelling of 11342111220 in words is "eleven billion, three hundred forty-two million, one hundred eleven thousand, two hundred twenty".