21030122202 has 16 divisors (see below), whose sum is σ = 42062509440. Its totient is φ = 7009663232.

The previous prime is 21030122167. The next prime is 21030122213. The reversal of 21030122202 is 20222103012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41338 + ... + 209210.

It is an arithmetic number, because the mean of its divisors is an integer number (2628906840).

Almost surely, 2^21030122202 is an apocalyptic number.

21030122202 is an abundant number, since it is smaller than the sum of its proper divisors (21032387238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21030122202 is a wasteful number, since it uses less digits than its factorization.

21030122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188757.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 21030122202 its reverse (20222103012), we get a palindrome (41252225214).

The spelling of 21030122202 in words is "twenty-one billion, thirty million, one hundred twenty-two thousand, two hundred two".