21101310103230 has 192 divisors, whose sum is σ = 65751680741760. Its totient is φ = 4593048219648.

The previous prime is 21101310103219. The next prime is 21101310103277. The reversal of 21101310103230 is 3230101310112.

21101310103230 is a `hidden beast` number, since 2 + 110 + 1 + 310 + 10 + 3 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6577047 + ... + 9244466.

It is an arithmetic number, because the mean of its divisors is an integer number (342456670530).

Almost surely, 2^{21101310103230} is an apocalyptic number.

21101310103230 is an abundant number, since it is smaller than the sum of its proper divisors (44650370638530).

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

21101310103230 is a wasteful number, since it uses less digits than its factorization.

21101310103230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15821635 (or 15821632 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 21101310103230 its reverse (3230101310112), we get a palindrome (24331411413342).

The spelling of 21101310103230 in words is "twenty-one trillion, one hundred one billion, three hundred ten million, one hundred three thousand, two hundred thirty".