20213221112130 has 16 divisors (see below), whose sum is σ = 48511730669184. Its totient is φ = 5390192296560.

The previous prime is 20213221112113. The next prime is 20213221112143. The reversal of 20213221112130 is 3121112231202.

It is a junction number, because it is equal to n+sod(n) for n = 20213221112097 and 20213221112106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336887018506 + ... + 336887018565.

It is an arithmetic number, because the mean of its divisors is an integer number (3031983166824).

Almost surely, 2^{20213221112130} is an apocalyptic number.

20213221112130 is an abundant number, since it is smaller than the sum of its proper divisors (28298509557054).

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

20213221112130 is a wasteful number, since it uses less digits than its factorization.

20213221112130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673774037081.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20213221112130 its reverse (3121112231202), we get a palindrome (23334333343332).

The spelling of 20213221112130 in words is "twenty trillion, two hundred thirteen billion, two hundred twenty-one million, one hundred twelve thousand, one hundred thirty".