20112001201011 has 16 divisors (see below), whose sum is σ = 26966865461760. Its totient is φ = 13332574725600.

The previous prime is 20112001201003. The next prime is 20112001201079. The reversal of 20112001201011 is 11010210021102.

It is not a de Polignac number, because 20112001201011 - 2³ = 20112001201003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20112101201011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13271686 + ... + 14709236.

It is an arithmetic number, because the mean of its divisors is an integer number (1685429091360).

Almost surely, 2^{20112001201011} is an apocalyptic number.

20112001201011 is a deficient number, since it is larger than the sum of its proper divisors (6854864260749).

20112001201011 is a wasteful number, since it uses less digits than its factorization.

20112001201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463786.

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

Adding to 20112001201011 its reverse (11010210021102), we get a palindrome (31122211222113).

The spelling of 20112001201011 in words is "twenty trillion, one hundred twelve billion, one million, two hundred one thousand, eleven".