21230110311130 has 96 divisors (see below), whose sum is σ = 44516449152000. Its totient is φ = 7268553637632.

The previous prime is 21230110311103. The next prime is 21230110311133. The reversal of 21230110311130 is 3111301103212.

It is a junction number, because it is equal to n+sod(n) for n = 21230110311098 and 21230110311107.

It is not an unprimeable number, because it can be changed into a prime (21230110311133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1257774031 + ... + 1257790909.

It is an arithmetic number, because the mean of its divisors is an integer number (463713012000).

Almost surely, 2^{21230110311130} is an apocalyptic number.

21230110311130 is an abundant number, since it is smaller than the sum of its proper divisors (23286338840870).

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

21230110311130 is a wasteful number, since it uses less digits than its factorization.

21230110311130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20396 (or 20389 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 21230110311130 its reverse (3111301103212), we get a palindrome (24341411414342).

The spelling of 21230110311130 in words is "twenty-one trillion, two hundred thirty billion, one hundred ten million, three hundred eleven thousand, one hundred thirty".