11030103331220 has 24 divisors (see below), whose sum is σ = 23165042985000. Its totient is φ = 4411693524992.

The previous prime is 11030103331201. The next prime is 11030103331231. The reversal of 11030103331220 is 2213330103011.

It can be written as a sum of positive squares in 4 ways, for example, as 559222787344 + 10470880543876 = 747812^2 + 3235874^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11030103331192 and 11030103331201.

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, 21477845 + ... + 21985404.

It is an arithmetic number, because the mean of its divisors is an integer number (965210124375).

Almost surely, 2^{11030103331220} is an apocalyptic number.

11030103331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11030103331220 is an abundant number, since it is smaller than the sum of its proper divisors (12134939653780).

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

11030103331220 is a wasteful number, since it uses less digits than its factorization.

11030103331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43475947 (or 43475945 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11030103331220 its reverse (2213330103011), we get a palindrome (13243433434231).

The spelling of 11030103331220 in words is "eleven trillion, thirty billion, one hundred three million, three hundred thirty-one thousand, two hundred twenty".