21223211012130 has 16 divisors (see below), whose sum is σ = 50935706429184. Its totient is φ = 5659522936560.

The previous prime is 21223211012027. The next prime is 21223211012191. The reversal of 21223211012130 is 3121011232212.

It is a junction number, because it is equal to n+sod(n) for n = 21223211012097 and 21223211012106.

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, 353720183506 + ... + 353720183565.

It is an arithmetic number, because the mean of its divisors is an integer number (3183481651824).

Almost surely, 2^{21223211012130} is an apocalyptic number.

21223211012130 is an abundant number, since it is smaller than the sum of its proper divisors (29712495417054).

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

21223211012130 is a wasteful number, since it uses less digits than its factorization.

21223211012130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707440367081.

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

Adding to 21223211012130 its reverse (3121011232212), we get a palindrome (24344222244342).

The spelling of 21223211012130 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred eleven million, twelve thousand, one hundred thirty".