1123101210 has 128 divisors (see below), whose sum is σ = 3537561600. Its totient is φ = 221080320.

The previous prime is 1123101197. The next prime is 1123101223. The reversal of 1123101210 is 121013211.

It is an interprime number because it is at equal distance from previous prime (1123101197) and next prime (1123101223).

It is a super-2 number, since 2×1123101210² = 2522712655806928200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31096 + ... + 56684.

It is an arithmetic number, because the mean of its divisors is an integer number (27637200).

Almost surely, 2^1123101210 is an apocalyptic number.

1123101210 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 1123101210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1768780800).

1123101210 is an abundant number, since it is smaller than the sum of its proper divisors (2414460390).

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

1123101210 is a wasteful number, since it uses less digits than its factorization.

1123101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25636.

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

The square root of 1123101210 is about 33512.7022187110. The cubic root of 1123101210 is about 1039.4564498171.

Adding to 1123101210 its reverse (121013211), we get a palindrome (1244114421).

The spelling of 1123101210 in words is "one billion, one hundred twenty-three million, one hundred one thousand, two hundred ten".