201210001011011 has 4 divisors (see below), whose sum is σ = 201210150316632. Its totient is φ = 201209851705392.

The previous prime is 201210001010801. The next prime is 201210001011043. The reversal of 201210001011011 is 110110100012102.

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 201210001011011 - 2²² = 201209996816707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201210001010983 and 201210001011001.

It is not an unprimeable number, because it can be changed into a prime (201210001011211) 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, 72612770 + ... + 75332823.

It is an arithmetic number, because the mean of its divisors is an integer number (50302537579158).

Almost surely, 2^{201210001011011} is an apocalyptic number.

201210001011011 is a deficient number, since it is larger than the sum of its proper divisors (149305621).

201210001011011 is a wasteful number, since it uses less digits than its factorization.

201210001011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149305620.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 201210001011011 its reverse (110110100012102), we get a palindrome (311320101023113).

The spelling of 201210001011011 in words is "two hundred one trillion, two hundred ten billion, one million, eleven thousand, eleven".