20100110100211 has 4 divisors (see below), whose sum is σ = 20223423659272. Its totient is φ = 19976796541152.

The previous prime is 20100110100167. The next prime is 20100110100241. The reversal of 20100110100211 is 11200101100102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20100110100211 - 2¹³ = 20100110092019 is a prime.

It is a super-3 number, since 3×20100110100211³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20100110100241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61656779286 + ... + 61656779611.

It is an arithmetic number, because the mean of its divisors is an integer number (5055855914818).

Almost surely, 2^{20100110100211} is an apocalyptic number.

20100110100211 is a deficient number, since it is larger than the sum of its proper divisors (123313559061).

20100110100211 is a wasteful number, since it uses less digits than its factorization.

20100110100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123313559060.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20100110100211 its reverse (11200101100102), we get a palindrome (31300211200313).

The spelling of 20100110100211 in words is "twenty trillion, one hundred billion, one hundred ten million, one hundred thousand, two hundred eleven".