21023030222130 has 64 divisors (see below), whose sum is σ = 52083865728000. Its totient is φ = 5425193564160.

The previous prime is 21023030222087. The next prime is 21023030222177. The reversal of 21023030222130 is 3122203032012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21023030222097 and 21023030222106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55806646 + ... + 56182094.

It is an arithmetic number, because the mean of its divisors is an integer number (813810402000).

Almost surely, 2^{21023030222130} is an apocalyptic number.

21023030222130 is an abundant number, since it is smaller than the sum of its proper divisors (31060835505870).

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

21023030222130 is a wasteful number, since it uses less digits than its factorization.

21023030222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435699.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21023030222130 its reverse (3122203032012), we get a palindrome (24145233254142).

The spelling of 21023030222130 in words is "twenty-one trillion, twenty-three billion, thirty million, two hundred twenty-two thousand, one hundred thirty".