21013330100202 has 48 divisors (see below), whose sum is σ = 51010246059552. Its totient is φ = 6195576440160.

The previous prime is 21013330100183. The next prime is 21013330100219. The reversal of 21013330100202 is 20200103331012.

21013330100202 is a `hidden beast` number, since 21 + 0 + 13 + 330 + 100 + 202 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1434153888 + ... + 1434168539.

It is an arithmetic number, because the mean of its divisors is an integer number (1062713459574).

Almost surely, 2^{21013330100202} is an apocalyptic number.

21013330100202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21013330100202 is an abundant number, since it is smaller than the sum of its proper divisors (29996915959350).

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

21013330100202 is a wasteful number, since it uses less digits than its factorization.

21013330100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868322483 (or 2868322480 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21013330100202 its reverse (20200103331012), we get a palindrome (41213433431214).

The spelling of 21013330100202 in words is "twenty-one trillion, thirteen billion, three hundred thirty million, one hundred thousand, two hundred two".