21011200202010 has 96 divisors (see below), whose sum is σ = 53090671741632. Its totient is φ = 5318589473280.

The previous prime is 21011200201931. The next prime is 21011200202063. The reversal of 21011200202010 is 1020200211012.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4555092 + ... + 7922831.

It is an arithmetic number, because the mean of its divisors is an integer number (553027830642).

Almost surely, 2^{21011200202010} is an apocalyptic number.

21011200202010 is an abundant number, since it is smaller than the sum of its proper divisors (32079471539622).

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

21011200202010 is a wasteful number, since it uses less digits than its factorization.

21011200202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12478048 (or 12478011 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21011200202010 its reverse (1020200211012), we get a palindrome (22031400413022).

The spelling of 21011200202010 in words is "twenty-one trillion, eleven billion, two hundred million, two hundred two thousand, ten".