1131120210 has 64 divisors (see below), whose sum is σ = 2990888064. Its totient is φ = 271488000.

The previous prime is 1131120187. The next prime is 1131120253. The reversal of 1131120210 is 120211311.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16362 + ... + 50298.

It is an arithmetic number, because the mean of its divisors is an integer number (46732626).

Almost surely, 2^1131120210 is an apocalyptic number.

1131120210 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 1131120210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495444032).

1131120210 is an abundant number, since it is smaller than the sum of its proper divisors (1859767854).

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

1131120210 is a wasteful number, since it uses less digits than its factorization.

1131120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34059.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1131120210 is about 33632.1306193943. The cubic root of 1131120210 is about 1041.9245091278.

Adding to 1131120210 its reverse (120211311), we get a palindrome (1251331521).

The spelling of 1131120210 in words is "one billion, one hundred thirty-one million, one hundred twenty thousand, two hundred ten".