20010202111011 has 64 divisors (see below), whose sum is σ = 30797886873600. Its totient is φ = 11320201920000.

The previous prime is 20010202110931. The next prime is 20010202111079. The reversal of 20010202111011 is 11011120201002.

It is not a de Polignac number, because 20010202111011 - 2¹⁰ = 20010202109987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20010202121011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3548534530 + ... + 3548540168.

It is an arithmetic number, because the mean of its divisors is an integer number (481216982400).

Almost surely, 2^{20010202111011} is an apocalyptic number.

20010202111011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20010202111011 is a deficient number, since it is larger than the sum of its proper divisors (10787684762589).

20010202111011 is a wasteful number, since it uses less digits than its factorization.

20010202111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9840.

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

Adding to 20010202111011 its reverse (11011120201002), we get a palindrome (31021322312013).

The spelling of 20010202111011 in words is "twenty trillion, ten billion, two hundred two million, one hundred eleven thousand, eleven".