11110202211220 has 48 divisors (see below), whose sum is σ = 26671982843520. Its totient is φ = 3808141110144.

The previous prime is 11110202211211. The next prime is 11110202211221. The reversal of 11110202211220 is 2211220201111.

It is a junction number, because it is equal to n+sod(n) for n = 11110202211194 and 11110202211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110202211221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10657290 + ... + 11653249.

It is an arithmetic number, because the mean of its divisors is an integer number (555666309240).

Almost surely, 2^{11110202211220} is an apocalyptic number.

11110202211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110202211220 is an abundant number, since it is smaller than the sum of its proper divisors (15561780632300).

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

11110202211220 is a wasteful number, since it uses less digits than its factorization.

11110202211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22314112 (or 22314110 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11110202211220 its reverse (2211220201111), we get a palindrome (13321422412331).

The spelling of 11110202211220 in words is "eleven trillion, one hundred ten billion, two hundred two million, two hundred eleven thousand, two hundred twenty".