21113310120230 has 16 divisors (see below), whose sum is σ = 38004022579680. Its totient is φ = 8445309745152.

The previous prime is 21113310120143. The next prime is 21113310120233. The reversal of 21113310120230 is 3202101331112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113310120233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6046886 + ... + 8876454.

It is an arithmetic number, because the mean of its divisors is an integer number (2375251411230).

Almost surely, 2^{21113310120230} is an apocalyptic number.

21113310120230 is a deficient number, since it is larger than the sum of its proper divisors (16890712459450).

21113310120230 is a wasteful number, since it uses less digits than its factorization.

21113310120230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575743.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21113310120230 its reverse (3202101331112), we get a palindrome (24315411451342).

The spelling of 21113310120230 in words is "twenty-one trillion, one hundred thirteen billion, three hundred ten million, one hundred twenty thousand, two hundred thirty".