20011011112002 has 64 divisors (see below), whose sum is σ = 44853034262400. Its totient is φ = 5914685629440.

The previous prime is 20011011111967. The next prime is 20011011112051. The reversal of 20011011112002 is 20021111011002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28172977 + ... + 28874532.

It is an arithmetic number, because the mean of its divisors is an integer number (700828660350).

Almost surely, 2^{20011011112002} is an apocalyptic number.

20011011112002 is an abundant number, since it is smaller than the sum of its proper divisors (24842023150398).

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

20011011112002 is a wasteful number, since it uses less digits than its factorization.

20011011112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57047731.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20011011112002 its reverse (20021111011002), we get a palindrome (40032122123004).

The spelling of 20011011112002 in words is "twenty trillion, eleven billion, eleven million, one hundred twelve thousand, two".