1120210100 has 72 divisors (see below), whose sum is σ = 2482263000. Its totient is φ = 438681600.

The previous prime is 1120210099. The next prime is 1120210111. The reversal of 1120210100 is 10120211.

It can be written as a sum of positive squares in 12 ways, for example, as 292957456 + 827252644 = 17116^2 + 28762^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2494676 + ... + 2495124.

It is an arithmetic number, because the mean of its divisors is an integer number (34475875).

Almost surely, 2^1120210100 is an apocalyptic number.

1120210100 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 1120210100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1241131500).

1120210100 is an abundant number, since it is smaller than the sum of its proper divisors (1362052900).

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

1120210100 is a wasteful number, since it uses less digits than its factorization.

1120210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1120210100 is about 33469.5398833028. The cubic root of 1120210100 is about 1038.5637533941.

Adding to 1120210100 its reverse (10120211), we get a palindrome (1130330311).

The spelling of 1120210100 in words is "one billion, one hundred twenty million, two hundred ten thousand, one hundred".