21133333202 has 16 divisors (see below), whose sum is σ = 33082689600. Its totient is φ = 10105893072.

The previous prime is 21133333201. The next prime is 21133333303. The reversal of 21133333202 is 20233333112.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (21133333201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373748 + ... + 426560.

It is an arithmetic number, because the mean of its divisors is an integer number (2067668100).

Almost surely, 2^21133333202 is an apocalyptic number.

21133333202 is a deficient number, since it is larger than the sum of its proper divisors (11949356398).

21133333202 is a wasteful number, since it uses less digits than its factorization.

21133333202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61537.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21133333202 its reverse (20233333112), we get a palindrome (41366666314).

The spelling of 21133333202 in words is "twenty-one billion, one hundred thirty-three million, three hundred thirty-three thousand, two hundred two".