2101200122011 has 4 divisors (see below), whose sum is σ = 2103115528872. Its totient is φ = 2099284715152.

The previous prime is 2101200122003. The next prime is 2101200122027. The reversal of 2101200122011 is 1102210021012.

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 2101200122011 - 2³ = 2101200122003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101200121982 and 2101200122000.

It is not an unprimeable number, because it can be changed into a prime (2101200122041) 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, 957701785 + ... + 957703978.

It is an arithmetic number, because the mean of its divisors is an integer number (525778882218).

Almost surely, 2^{2101200122011} is an apocalyptic number.

2101200122011 is a deficient number, since it is larger than the sum of its proper divisors (1915406861).

2101200122011 is a wasteful number, since it uses less digits than its factorization.

2101200122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915406860.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2101200122011 its reverse (1102210021012), we get a palindrome (3203410143023).

The spelling of 2101200122011 in words is "two trillion, one hundred one billion, two hundred million, one hundred twenty-two thousand, eleven".