20112021020002 has 16 divisors (see below), whose sum is σ = 30194509408632. Its totient is φ = 10047185435520.

The previous prime is 20112021019991. The next prime is 20112021020027. The reversal of 20112021020002 is 20002012021102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16050752182921 + 4061268837081 = 4006339^2 + 2015259^2 .

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 7 ways as a sum of consecutive naturals, for example, 47486758 + ... + 47908414.

Almost surely, 2^{20112021020002} is an apocalyptic number.

20112021020002 is a deficient number, since it is larger than the sum of its proper divisors (10082488388630).

20112021020002 is a wasteful number, since it uses less digits than its factorization.

20112021020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442533.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20112021020002 its reverse (20002012021102), we get a palindrome (40114033041104).

The spelling of 20112021020002 in words is "twenty trillion, one hundred twelve billion, twenty-one million, twenty thousand, two".