21133222231202 has 8 divisors (see below), whose sum is σ = 31705347337500. Its totient is φ = 10564773118704.

The previous prime is 21133222231151. The next prime is 21133222231213. The reversal of 21133222231202 is 20213222233112.

It can be written as a sum of positive squares in 2 ways, for example, as 15911809859521 + 5221412371681 = 3988961^2 + 2285041^2 .

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

It is a super-2 number, since 2×21133222231202² (a number of 27 digits) contains 22 as substring.

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, 918984077 + ... + 919007072.

Almost surely, 2^{21133222231202} is an apocalyptic number.

21133222231202 is a deficient number, since it is larger than the sum of its proper divisors (10572125106298).

21133222231202 is a wasteful number, since it uses less digits than its factorization.

21133222231202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837996900.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21133222231202 its reverse (20213222233112), we get a palindrome (41346444464314).

The spelling of 21133222231202 in words is "twenty-one trillion, one hundred thirty-three billion, two hundred twenty-two million, two hundred thirty-one thousand, two hundred two".