21020030111300 has 72 divisors (see below), whose sum is σ = 49761027194592. Its totient is φ = 7643511648000.

The previous prime is 21020030111273. The next prime is 21020030111303. The reversal of 21020030111300 is 311103002012.

It is not an unprimeable number, because it can be changed into a prime (21020030111303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78354395 + ... + 78622205.

Almost surely, 2^{21020030111300} is an apocalyptic number.

21020030111300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21020030111300 is an abundant number, since it is smaller than the sum of its proper divisors (28740997083292).

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

21020030111300 is a wasteful number, since it uses less digits than its factorization.

21020030111300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339189 (or 339182 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21020030111300 its reverse (311103002012), we get a palindrome (21331133113312).

The spelling of 21020030111300 in words is "twenty-one trillion, twenty billion, thirty million, one hundred eleven thousand, three hundred".