20212112021002 has 32 divisors (see below), whose sum is σ = 34513734942720. Its totient is φ = 8787530038320.

The previous prime is 20212112020939. The next prime is 20212112021033. The reversal of 20212112021002 is 20012021121202.

It is a happy number.

It is an unprimeable number.

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, 12344443 + ... + 13885585.

It is an arithmetic number, because the mean of its divisors is an integer number (1078554216960).

Almost surely, 2^{20212112021002} is an apocalyptic number.

20212112021002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20212112021002 is a deficient number, since it is larger than the sum of its proper divisors (14301622921718).

20212112021002 is a wasteful number, since it uses less digits than its factorization.

20212112021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567098.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20212112021002 its reverse (20012021121202), we get a palindrome (40224133142204).

The spelling of 20212112021002 in words is "twenty trillion, two hundred twelve billion, one hundred twelve million, twenty-one thousand, two".