21220213001130 has 96 divisors (see below), whose sum is σ = 64818105206400. Its totient is φ = 4748579130240.

The previous prime is 21220213001003. The next prime is 21220213001161. The reversal of 21220213001130 is 3110031202212.

21220213001130 is a `hidden beast` number, since 212 + 2 + 0 + 21 + 300 + 1 + 130 = 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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 824393230 + ... + 824418969.

It is an arithmetic number, because the mean of its divisors is an integer number (675188595900).

Almost surely, 2^{21220213001130} is an apocalyptic number.

21220213001130 is an abundant number, since it is smaller than the sum of its proper divisors (43597892205270).

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

21220213001130 is a wasteful number, since it uses less digits than its factorization.

21220213001130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648812236 (or 1648812233 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21220213001130 its reverse (3110031202212), we get a palindrome (24330244203342).

The spelling of 21220213001130 in words is "twenty-one trillion, two hundred twenty billion, two hundred thirteen million, one thousand, one hundred thirty".