11331212030220 has 24 divisors (see below), whose sum is σ = 31727393684784. Its totient is φ = 3021656541376.

The previous prime is 11331212030197. The next prime is 11331212030273. The reversal of 11331212030220 is 2203021213311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94426766859 + ... + 94426766978.

It is an arithmetic number, because the mean of its divisors is an integer number (1321974736866).

Almost surely, 2^{11331212030220} is an apocalyptic number.

11331212030220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331212030220 is an abundant number, since it is smaller than the sum of its proper divisors (20396181654564).

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

11331212030220 is a wasteful number, since it uses less digits than its factorization.

11331212030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188853533849 (or 188853533847 counting only the distinct ones).

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

Adding to 11331212030220 its reverse (2203021213311), we get a palindrome (13534233243531).

The spelling of 11331212030220 in words is "eleven trillion, three hundred thirty-one billion, two hundred twelve million, thirty thousand, two hundred twenty".