21410200202 has 4 divisors (see below), whose sum is σ = 32115300306. Its totient is φ = 10705100100.

The previous prime is 21410200193. The next prime is 21410200211. The reversal of 21410200202 is 20200201412.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (21410200193) and next prime (21410200211).

It can be written as a sum of positive squares in only one way, i.e., 21275431321 + 134768881 = 145861^2 + 11609^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5352550049 + ... + 5352550052.

Almost surely, 2^21410200202 is an apocalyptic number.

21410200202 is a deficient number, since it is larger than the sum of its proper divisors (10705100104).

21410200202 is a wasteful number, since it uses less digits than its factorization.

21410200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10705100103.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 21410200202 its reverse (20200201412), we get a palindrome (41610401614).

The spelling of 21410200202 in words is "twenty-one billion, four hundred ten million, two hundred thousand, two hundred two".