21200210101202 has 32 divisors (see below), whose sum is σ = 35060782426560. Its totient is φ = 9534070941120.

The previous prime is 21200210101177. The next prime is 21200210101237. The reversal of 21200210101202 is 20210101200212.

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, 4834193 + ... + 8109860.

It is an arithmetic number, because the mean of its divisors is an integer number (1095649450830).

Almost surely, 2^{21200210101202} is an apocalyptic number.

21200210101202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21200210101202 is a deficient number, since it is larger than the sum of its proper divisors (13860572325358).

21200210101202 is a wasteful number, since it uses less digits than its factorization.

21200210101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12944858.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21200210101202 its reverse (20210101200212), we get a palindrome (41410311301414).

The spelling of 21200210101202 in words is "twenty-one trillion, two hundred billion, two hundred ten million, one hundred one thousand, two hundred two".