21322321202 has 16 divisors (see below), whose sum is σ = 39364285632. Its totient is φ = 8435203920.

The previous prime is 21322321199. The next prime is 21322321283. The reversal of 21322321202 is 20212322312.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58577624 + ... + 58577987.

It is an arithmetic number, because the mean of its divisors is an integer number (2460267852).

Almost surely, 2^21322321202 is an apocalyptic number.

21322321202 is a deficient number, since it is larger than the sum of its proper divisors (18041964430).

21322321202 is a wasteful number, since it uses less digits than its factorization.

21322321202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117155633.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21322321202 its reverse (20212322312), we get a palindrome (41534643514).

The spelling of 21322321202 in words is "twenty-one billion, three hundred twenty-two million, three hundred twenty-one thousand, two hundred two".