21211112022002 has 32 divisors (see below), whose sum is σ = 36567579841920. Its totient is φ = 9039201235200.

The previous prime is 21211112021969. The next prime is 21211112022007. The reversal of 21211112022002 is 20022021111212.

It is a super-2 number, since 2×21211112022002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21211112022007) 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 15 ways as a sum of consecutive naturals, for example, 4179752 + ... + 7739027.

It is an arithmetic number, because the mean of its divisors is an integer number (1142736870060).

Almost surely, 2^{21211112022002} is an apocalyptic number.

21211112022002 is a deficient number, since it is larger than the sum of its proper divisors (15356467819918).

21211112022002 is a wasteful number, since it uses less digits than its factorization.

21211112022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11919506.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21211112022002 its reverse (20022021111212), we get a palindrome (41233133133214).

The spelling of 21211112022002 in words is "twenty-one trillion, two hundred eleven billion, one hundred twelve million, twenty-two thousand, two".