21230210111110 has 576 divisors, whose sum is σ = 53603992100736. Its totient is φ = 5887411200000.

The previous prime is 21230210111093. The next prime is 21230210111119. The reversal of 21230210111110 is 1111101203212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230210111119) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 46052516280 + ... + 46052516740.

It is an arithmetic number, because the mean of its divisors is an integer number (93062486286).

Almost surely, 2^{21230210111110} is an apocalyptic number.

21230210111110 is an abundant number, since it is smaller than the sum of its proper divisors (32373781989626).

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

21230210111110 is a wasteful number, since it uses less digits than its factorization.

21230210111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 21230210111110 its reverse (1111101203212), we get a palindrome (22341311314322).

The spelling of 21230210111110 in words is "twenty-one trillion, two hundred thirty billion, two hundred ten million, one hundred eleven thousand, one hundred ten".