20112021000002 has 16 divisors (see below), whose sum is σ = 30362279075712. Its totient is φ = 9991270146000.

The previous prime is 20112020999989. The next prime is 20112021000067. The reversal of 20112021000002 is 20000012021102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2364377 + ... + 6768627.

It is an arithmetic number, because the mean of its divisors is an integer number (1897642442232).

Almost surely, 2^{20112021000002} is an apocalyptic number.

20112021000002 is a deficient number, since it is larger than the sum of its proper divisors (10250258075710).

20112021000002 is a wasteful number, since it uses less digits than its factorization.

20112021000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418953.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20112021000002 its reverse (20000012021102), we get a palindrome (40112033021104).

The spelling of 20112021000002 in words is "twenty trillion, one hundred twelve billion, twenty-one million, two", and thus it is an aban number.