11210313220 has 12 divisors (see below), whose sum is σ = 23541657804. Its totient is φ = 4484125280.

The previous prime is 11210313203. The next prime is 11210313227. The reversal of 11210313220 is 2231301211.

It can be written as a sum of positive squares in 2 ways, for example, as 8118730816 + 3091582404 = 90104^2 + 55602^2 .

It is a super-2 number, since 2×11210313220² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11210313194 and 11210313203.

It is not an unprimeable number, because it can be changed into a prime (11210313227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280257811 + ... + 280257850.

It is an arithmetic number, because the mean of its divisors is an integer number (1961804817).

Almost surely, 2^11210313220 is an apocalyptic number.

11210313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210313220 is an abundant number, since it is smaller than the sum of its proper divisors (12331344584).

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

11210313220 is a wasteful number, since it uses less digits than its factorization.

11210313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560515670 (or 560515668 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11210313220 its reverse (2231301211), we get a palindrome (13441614431).

The spelling of 11210313220 in words is "eleven billion, two hundred ten million, three hundred thirteen thousand, two hundred twenty".