11200212211220 has 48 divisors (see below), whose sum is σ = 24333155859600. Its totient is φ = 4325304023040.

The previous prime is 11200212211211. The next prime is 11200212211261. The reversal of 11200212211220 is 2211221200211.

It can be written as a sum of positive squares in 8 ways, for example, as 1595840986756 + 9604371224464 = 1263266^2 + 3099092^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7944716 + ... + 9247644.

It is an arithmetic number, because the mean of its divisors is an integer number (506940747075).

Almost surely, 2^{11200212211220} is an apocalyptic number.

11200212211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200212211220 is an abundant number, since it is smaller than the sum of its proper divisors (13132943648380).

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

11200212211220 is a wasteful number, since it uses less digits than its factorization.

11200212211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317788 (or 1317786 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11200212211220 its reverse (2211221200211), we get a palindrome (13411433411431).

The spelling of 11200212211220 in words is "eleven trillion, two hundred billion, two hundred twelve million, two hundred eleven thousand, two hundred twenty".