201102112001011 has 4 divisors (see below), whose sum is σ = 216571505231872. Its totient is φ = 185632718770152.

The previous prime is 201102112000913. The next prime is 201102112001117. The reversal of 201102112001011 is 110100211201102.

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 201102112001011 - 2³⁷ = 200964673047539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 15469393230847 = 201102112001011 / (2 + 0 + 1 + 1 + 0 + 2 + 1 + 1 + 2 + 0 + 0 + 1 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201102112000982 and 201102112001000.

It is not an unprimeable number, because it can be changed into a prime (201102112001311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7734696615411 + ... + 7734696615436.

It is an arithmetic number, because the mean of its divisors is an integer number (54142876307968).

Almost surely, 2^{201102112001011} is an apocalyptic number.

201102112001011 is a deficient number, since it is larger than the sum of its proper divisors (15469393230861).

201102112001011 is a wasteful number, since it uses less digits than its factorization.

201102112001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15469393230860.

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

Adding to 201102112001011 its reverse (110100211201102), we get a palindrome (311202323202113).

The spelling of 201102112001011 in words is "two hundred one trillion, one hundred two billion, one hundred twelve million, one thousand, eleven".