11220001331232 has 96 divisors (see below), whose sum is σ = 30000830932800. Its totient is φ = 3670985043968.

The previous prime is 11220001331221. The next prime is 11220001331243. The reversal of 11220001331232 is 23213310002211.

It is an interprime number because it is at equal distance from previous prime (11220001331221) and next prime (11220001331243).

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 11220001331199 and 11220001331208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3622182 + ... + 5963237.

It is an arithmetic number, because the mean of its divisors is an integer number (312508655550).

Almost surely, 2^{11220001331232} is an apocalyptic number.

11220001331232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11220001331232 is an abundant number, since it is smaller than the sum of its proper divisors (18780829601568).

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

11220001331232 is a wasteful number, since it uses less digits than its factorization.

11220001331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9585658 (or 9585650 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11220001331232 its reverse (23213310002211), we get a palindrome (34433311333443).

The spelling of 11220001331232 in words is "eleven trillion, two hundred twenty billion, one million, three hundred thirty-one thousand, two hundred thirty-two".