20110101020002 has 48 divisors (see below), whose sum is σ = 35545903100928. Its totient is φ = 8507345747040.

The previous prime is 20110101019963. The next prime is 20110101020033. The reversal of 20110101020002 is 20002010101102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1649124 + ... + 6552847.

It is an arithmetic number, because the mean of its divisors is an integer number (740539647936).

Almost surely, 2^{20110101020002} is an apocalyptic number.

20110101020002 is a deficient number, since it is larger than the sum of its proper divisors (15435802080926).

20110101020002 is a wasteful number, since it uses less digits than its factorization.

20110101020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8202311 (or 8202304 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20110101020002 its reverse (20002010101102), we get a palindrome (40112111121104).

The spelling of 20110101020002 in words is "twenty trillion, one hundred ten billion, one hundred one million, twenty thousand, two".