20010021112002 has 16 divisors (see below), whose sum is σ = 40020298882272. Its totient is φ = 6669964260960.

The previous prime is 20010021111979. The next prime is 20010021112019. The reversal of 20010021112002 is 20021112001002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9673068 + ... + 11558039.

It is an arithmetic number, because the mean of its divisors is an integer number (2501268680142).

Almost surely, 2^{20010021112002} is an apocalyptic number.

20010021112002 is an abundant number, since it is smaller than the sum of its proper divisors (20010277770270).

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

20010021112002 is a wasteful number, since it uses less digits than its factorization.

20010021112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21388193.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20010021112002 its reverse (20021112001002), we get a palindrome (40031133113004).

The spelling of 20010021112002 in words is "twenty trillion, ten billion, twenty-one million, one hundred twelve thousand, two".