201102120101011 has 4 divisors (see below), whose sum is σ = 201106084864392. Its totient is φ = 201098155337632.

The previous prime is 201102120100997. The next prime is 201102120101137. The reversal of 201102120101011 is 110101021201102.

It is a happy number.

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 201102120101011 - 2⁹ = 201102120100499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201102120100982 and 201102120101000.

It is not an unprimeable number, because it can be changed into a prime (201102120101711) 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, 1982305606 + ... + 1982407051.

It is an arithmetic number, because the mean of its divisors is an integer number (50276521216098).

Almost surely, 2^{201102120101011} is an apocalyptic number.

201102120101011 is a deficient number, since it is larger than the sum of its proper divisors (3964763381).

201102120101011 is an equidigital number, since it uses as much as digits as its factorization.

201102120101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964763380.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201102120101011 its reverse (110101021201102), we get a palindrome (311203141302113).

The spelling of 201102120101011 in words is "two hundred one trillion, one hundred two billion, one hundred twenty million, one hundred one thousand, eleven".