21200001011202 has 32 divisors (see below), whose sum is σ = 45890995651200. Its totient is φ = 6490297946880.

The previous prime is 21200001011143. The next prime is 21200001011209. The reversal of 21200001011202 is 20211010000212.

It is not an unprimeable number, because it can be changed into a prime (21200001011209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682886199 + ... + 682917242.

It is an arithmetic number, because the mean of its divisors is an integer number (1434093614100).

Almost surely, 2^{21200001011202} is an apocalyptic number.

21200001011202 is an abundant number, since it is smaller than the sum of its proper divisors (24690994639998).

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

21200001011202 is a wasteful number, since it uses less digits than its factorization.

21200001011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365803658.

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

Adding to 21200001011202 its reverse (20211010000212), we get a palindrome (41411011011414).

The spelling of 21200001011202 in words is "twenty-one trillion, two hundred billion, one million, eleven thousand, two hundred two".