21113020333110 has 32 divisors (see below), whose sum is σ = 50683491486720. Its totient is φ = 5628778456928.

The previous prime is 21113020333103. The next prime is 21113020333121. The reversal of 21113020333110 is 1133302031112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84892422 + ... + 85140761.

It is an arithmetic number, because the mean of its divisors is an integer number (1583859108960).

Almost surely, 2^{21113020333110} is an apocalyptic number.

21113020333110 is an abundant number, since it is smaller than the sum of its proper divisors (29570471153610).

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

21113020333110 is a wasteful number, since it uses less digits than its factorization.

21113020333110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170037332.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 21113020333110 its reverse (1133302031112), we get a palindrome (22246322364222).

The spelling of 21113020333110 in words is "twenty-one trillion, one hundred thirteen billion, twenty million, three hundred thirty-three thousand, one hundred ten".