21100100010202 has 8 divisors (see below), whose sum is σ = 31800150726912. Its totient is φ = 10500049767900.

The previous prime is 21100100010179. The next prime is 21100100010233. The reversal of 21100100010202 is 20201000100112.

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, 25000118074 + ... + 25000118917.

It is an arithmetic number, because the mean of its divisors is an integer number (3975018840864).

Almost surely, 2^{21100100010202} is an apocalyptic number.

21100100010202 is a deficient number, since it is larger than the sum of its proper divisors (10700050716710).

21100100010202 is a wasteful number, since it uses less digits than its factorization.

21100100010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50000237204.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 21100100010202 its reverse (20201000100112), we get a palindrome (41301100110314).

The spelling of 21100100010202 in words is "twenty-one trillion, one hundred billion, one hundred million, ten thousand, two hundred two".