10011220232 has 96 divisors (see below), whose sum is σ = 21562695000. Its totient is φ = 4330672128.

The previous prime is 10011220231. The next prime is 10011220237. The reversal of 10011220232 is 23202211001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4559760676 + 5451459556 = 67526^2 + 73834^2 .

It is a super-2 number, since 2×10011220232² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10011220231) 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, 3640394 + ... + 3643142.

Almost surely, 2^10011220232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10011220232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10781347500).

10011220232 is an abundant number, since it is smaller than the sum of its proper divisors (11551474768).

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

10011220232 is a wasteful number, since it uses less digits than its factorization.

10011220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903 (or 2880 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10011220232 its reverse (23202211001), we get a palindrome (33213431233).

The spelling of 10011220232 in words is "ten billion, eleven million, two hundred twenty thousand, two hundred thirty-two".