11131220301210 has 48 divisors (see below), whose sum is σ = 28941490337760. Its totient is φ = 2968292844000.

The previous prime is 11131220301163. The next prime is 11131220301233. The reversal of 11131220301210 is 1210302213111.

11131220301210 is a `hidden beast` number, since 1 + 1 + 131 + 2 + 20 + 301 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8213181 + ... + 9471999.

It is an arithmetic number, because the mean of its divisors is an integer number (602947715370).

Almost surely, 2^{11131220301210} is an apocalyptic number.

11131220301210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11131220301210 is an abundant number, since it is smaller than the sum of its proper divisors (17810270036550).

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

11131220301210 is a wasteful number, since it uses less digits than its factorization.

11131220301210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357083 (or 1357080 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11131220301210 its reverse (1210302213111), we get a palindrome (12341522514321).

The spelling of 11131220301210 in words is "eleven trillion, one hundred thirty-one billion, two hundred twenty million, three hundred one thousand, two hundred ten".