201100210020011 has 4 divisors (see below), whose sum is σ = 201100314154800. Its totient is φ = 201100105885224.

The previous prime is 201100210020007. The next prime is 201100210020037. The reversal of 201100210020011 is 110020012001102.

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 201100210020011 - 2² = 201100210020007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201100210019974 and 201100210020001.

It is not an unprimeable number, because it can be changed into a prime (201100210020511) 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, 49114856 + ... + 53051573.

It is an arithmetic number, because the mean of its divisors is an integer number (50275078538700).

Almost surely, 2^{201100210020011} is an apocalyptic number.

201100210020011 is a deficient number, since it is larger than the sum of its proper divisors (104134789).

201100210020011 is a wasteful number, since it uses less digits than its factorization.

201100210020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104134788.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201100210020011 its reverse (110020012001102), we get a palindrome (311120222021113).

The spelling of 201100210020011 in words is "two hundred one trillion, one hundred billion, two hundred ten million, twenty thousand, eleven".