1113222113220 has 48 divisors (see below), whose sum is σ = 3562310763648. Its totient is φ = 254450768640.

The previous prime is 1113222113173. The next prime is 1113222113233. The reversal of 1113222113220 is 223112223111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1325264001 + ... + 1325264840.

It is an arithmetic number, because the mean of its divisors is an integer number (74214807576).

Almost surely, 2^{1113222113220} is an apocalyptic number.

1113222113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113222113220 is an abundant number, since it is smaller than the sum of its proper divisors (2449088650428).

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

1113222113220 is a wasteful number, since it uses less digits than its factorization.

1113222113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650528860 (or 2650528858 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1113222113220 its reverse (223112223111), we get a palindrome (1336334336331).

The spelling of 1113222113220 in words is "one trillion, one hundred thirteen billion, two hundred twenty-two million, one hundred thirteen thousand, two hundred twenty".