21102223200202 has 8 divisors (see below), whose sum is σ = 31653406102500. Its totient is φ = 10551087832704.

The previous prime is 21102223200167. The next prime is 21102223200229. The reversal of 21102223200202 is 20200232220112.

It can be written as a sum of positive squares in 2 ways, for example, as 20271884909761 + 830338290441 = 4502431^2 + 911229^2 .

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

It is a super-2 number, since 2×21102223200202² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21102223200202.

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, 10752327 + ... + 12562522.

Almost surely, 2^{21102223200202} is an apocalyptic number.

21102223200202 is a deficient number, since it is larger than the sum of its proper divisors (10551182902298).

21102223200202 is a wasteful number, since it uses less digits than its factorization.

21102223200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23767400.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 21102223200202 its reverse (20200232220112), we get a palindrome (41302455420314).

The spelling of 21102223200202 in words is "twenty-one trillion, one hundred two billion, two hundred twenty-three million, two hundred thousand, two hundred two".