21133211120202 has 64 divisors (see below), whose sum is σ = 43774428706560. Its totient is φ = 6793633459200.

The previous prime is 21133211120111. The next prime is 21133211120227. The reversal of 21133211120202 is 20202111233112.

It is a super-2 number, since 2×21133211120202² (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 31 ways as a sum of consecutive naturals, for example, 1708004088 + ... + 1708016460.

It is an arithmetic number, because the mean of its divisors is an integer number (683975448540).

Almost surely, 2^{21133211120202} is an apocalyptic number.

21133211120202 is an abundant number, since it is smaller than the sum of its proper divisors (22641217586358).

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

21133211120202 is a wasteful number, since it uses less digits than its factorization.

21133211120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22959.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21133211120202 its reverse (20202111233112), we get a palindrome (41335322353314).

The spelling of 21133211120202 in words is "twenty-one trillion, one hundred thirty-three billion, two hundred eleven million, one hundred twenty thousand, two hundred two".