1120220211220 has 96 divisors (see below), whose sum is σ = 2594042744832. Its totient is φ = 402960000000.

The previous prime is 1120220211203. The next prime is 1120220211223. The reversal of 1120220211220 is 221120220211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1120220211194 and 1120220211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120220211223) 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, 25553320 + ... + 25597120.

It is an arithmetic number, because the mean of its divisors is an integer number (27021278592).

Almost surely, 2^{1120220211220} is an apocalyptic number.

1120220211220 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 1120220211220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1297021372416).

1120220211220 is an abundant number, since it is smaller than the sum of its proper divisors (1473822533612).

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

1120220211220 is a wasteful number, since it uses less digits than its factorization.

1120220211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45073 (or 45071 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1120220211220 its reverse (221120220211), we get a palindrome (1341340431431).

The spelling of 1120220211220 in words is "one trillion, one hundred twenty billion, two hundred twenty million, two hundred eleven thousand, two hundred twenty".