21010033211202 has 24 divisors (see below), whose sum is σ = 52024844142336. Its totient is φ = 6002866631736.

The previous prime is 21010033211171. The next prime is 21010033211207. The reversal of 21010033211202 is 20211233001012.

21010033211202 is a `hidden beast` number, since 21 + 0 + 100 + 332 + 11 + 202 = 666.

It is a super-2 number, since 2×21010033211202² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (21010033211207) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 83373147538 + ... + 83373147789.

It is an arithmetic number, because the mean of its divisors is an integer number (2167701839264).

Almost surely, 2^{21010033211202} is an apocalyptic number.

21010033211202 is an abundant number, since it is smaller than the sum of its proper divisors (31014810931134).

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

21010033211202 is a wasteful number, since it uses less digits than its factorization.

21010033211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166746295342 (or 166746295339 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21010033211202 its reverse (20211233001012), we get a palindrome (41221266212214).

The spelling of 21010033211202 in words is "twenty-one trillion, ten billion, thirty-three million, two hundred eleven thousand, two hundred two".