11013120211220 has 24 divisors (see below), whose sum is σ = 24487996705704. Its totient is φ = 4146115844096.

The previous prime is 11013120211211. The next prime is 11013120211231. The reversal of 11013120211220 is 2211202131011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 171233750416 + 10841886460804 = 413804^2 + 3292702^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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, 16195764677 + ... + 16195765356.

It is an arithmetic number, because the mean of its divisors is an integer number (1020333196071).

Almost surely, 2^{11013120211220} is an apocalyptic number.

11013120211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11013120211220 is an abundant number, since it is smaller than the sum of its proper divisors (13474876494484).

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

11013120211220 is a wasteful number, since it uses less digits than its factorization.

11013120211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32391530059 (or 32391530057 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11013120211220 its reverse (2211202131011), we get a palindrome (13224322342231).

The spelling of 11013120211220 in words is "eleven trillion, thirteen billion, one hundred twenty million, two hundred eleven thousand, two hundred twenty".