21200110120202 has 8 divisors (see below), whose sum is σ = 34246331732676. Its totient is φ = 9784666209312.

The previous prime is 21200110120199. The next prime is 21200110120219. The reversal of 21200110120202 is 20202101100212.

It can be written as a sum of positive squares in 2 ways, for example, as 17597026604161 + 3603083516041 = 4194881^2 + 1898179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407694425363 + ... + 407694425414.

Almost surely, 2^{21200110120202} is an apocalyptic number.

21200110120202 is a deficient number, since it is larger than the sum of its proper divisors (13046221612474).

21200110120202 is a wasteful number, since it uses less digits than its factorization.

21200110120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815388850792.

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

Adding to 21200110120202 its reverse (20202101100212), we get a palindrome (41402211220414).

The spelling of 21200110120202 in words is "twenty-one trillion, two hundred billion, one hundred ten million, one hundred twenty thousand, two hundred two".