20100002122211 has 16 divisors (see below), whose sum is σ = 21958566829920. Its totient is φ = 18246660622080.

The previous prime is 20100002122199. The next prime is 20100002122243. The reversal of 20100002122211 is 11222120000102.

It is not a de Polignac number, because 20100002122211 - 2⁴² = 15701955611107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20100002122271) 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, 51504605 + ... + 51893393.

It is an arithmetic number, because the mean of its divisors is an integer number (1372410426870).

Almost surely, 2^{20100002122211} is an apocalyptic number.

20100002122211 is a deficient number, since it is larger than the sum of its proper divisors (1858564707709).

20100002122211 is a wasteful number, since it uses less digits than its factorization.

20100002122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395494.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20100002122211 its reverse (11222120000102), we get a palindrome (31322122122313).

The spelling of 20100002122211 in words is "twenty trillion, one hundred billion, two million, one hundred twenty-two thousand, two hundred eleven".