21030222202 has 16 divisors (see below), whose sum is σ = 34417835712. Its totient is φ = 9557873920.

The previous prime is 21030222197. The next prime is 21030222221. The reversal of 21030222202 is 20222203012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107418 + ... + 231514.

It is an arithmetic number, because the mean of its divisors is an integer number (2151114732).

Almost surely, 2^21030222202 is an apocalyptic number.

21030222202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21030222202 is a deficient number, since it is larger than the sum of its proper divisors (13387613510).

21030222202 is a wasteful number, since it uses less digits than its factorization.

21030222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131813.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 21030222202 its reverse (20222203012), we get a palindrome (41252425214).

The spelling of 21030222202 in words is "twenty-one billion, thirty million, two hundred twenty-two thousand, two hundred two".