11211011132320 has 48 divisors (see below), whose sum is σ = 26493511884840. Its totient is φ = 4483134936064.

The previous prime is 11211011132303. The next prime is 11211011132339. The reversal of 11211011132320 is 2323111011211.

It can be written as a sum of positive squares in 4 ways, for example, as 8501866313616 + 2709144818704 = 2915796^2 + 1645948^2 .

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, 9351055 + ... + 10481614.

Almost surely, 2^{11211011132320} is an apocalyptic number.

11211011132320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211011132320 is an abundant number, since it is smaller than the sum of its proper divisors (15282500752520).

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

11211011132320 is a wasteful number, since it uses less digits than its factorization.

11211011132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19836217 (or 19836209 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11211011132320 its reverse (2323111011211), we get a palindrome (13534122143531).

The spelling of 11211011132320 in words is "eleven trillion, two hundred eleven billion, eleven million, one hundred thirty-two thousand, three hundred twenty".