2120211100011 has 16 divisors (see below), whose sum is σ = 2903396551200. Its totient is φ = 1375251026688.

The previous prime is 2120211099917. The next prime is 2120211100027. The reversal of 2120211100011 is 1100011120212.

It is not a de Polignac number, because 2120211100011 - 2¹⁰ = 2120211098987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120211100011.

It is not an unprimeable number, because it can be changed into a prime (2120211101011) 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, 10862185 + ... + 11055653.

It is an arithmetic number, because the mean of its divisors is an integer number (181462284450).

Almost surely, 2^{2120211100011} is an apocalyptic number.

2120211100011 is a deficient number, since it is larger than the sum of its proper divisors (783185451189).

2120211100011 is a wasteful number, since it uses less digits than its factorization.

2120211100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292238.

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

Adding to 2120211100011 its reverse (1100011120212), we get a palindrome (3220222220223).

It can be divided in two parts, 2120211 and 100011, that added together give a palindrome (2220222).

The spelling of 2120211100011 in words is "two trillion, one hundred twenty billion, two hundred eleven million, one hundred thousand, eleven".