11123220010 has 48 divisors (see below), whose sum is σ = 23504449320. Its totient is φ = 3778669440.

The previous prime is 11123220001. The next prime is 11123220013. The reversal of 11123220010 is 1002232111.

It can be written as a sum of positive squares in 4 ways, for example, as 10122573321 + 1000646689 = 100611^2 + 31633^2 .

It is not an unprimeable number, because it can be changed into a prime (11123220013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50721 + ... + 157540.

Almost surely, 2^11123220010 is an apocalyptic number.

11123220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11123220010 is an abundant number, since it is smaller than the sum of its proper divisors (12381229310).

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

11123220010 is a wasteful number, since it uses less digits than its factorization.

11123220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208391 (or 208384 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11123220010 its reverse (1002232111), we get a palindrome (12125452121).

The spelling of 11123220010 in words is "eleven billion, one hundred twenty-three million, two hundred twenty thousand, ten".