1120221312210 has 512 divisors, whose sum is σ = 4049903370240. Its totient is φ = 212776243200.

The previous prime is 1120221312193. The next prime is 1120221312233. The reversal of 1120221312210 is 122131220211.

1120221312210 is a `hidden beast` number, since 1 + 120 + 2 + 21 + 312 + 210 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 27817690 + ... + 27857930.

It is an arithmetic number, because the mean of its divisors is an integer number (7909967520).

Almost surely, 2^{1120221312210} is an apocalyptic number.

1120221312210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120221312210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2024951685120).

1120221312210 is an abundant number, since it is smaller than the sum of its proper divisors (2929682058030).

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

1120221312210 is a wasteful number, since it uses less digits than its factorization.

1120221312210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40391 (or 40385 counting only the distinct ones).

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

Adding to 1120221312210 its reverse (122131220211), we get a palindrome (1242352532421).

The spelling of 1120221312210 in words is "one trillion, one hundred twenty billion, two hundred twenty-one million, three hundred twelve thousand, two hundred ten".