201201031011 has 16 divisors (see below), whose sum is σ = 279292766624. Its totient is φ = 128720980224.

The previous prime is 201201030941. The next prime is 201201031013. The reversal of 201201031011 is 110130102102.

It is a de Polignac number, because none of the positive numbers 2^k-201201031011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201201031013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12407116 + ... + 12423321.

It is an arithmetic number, because the mean of its divisors is an integer number (17455797914).

Almost surely, 2^201201031011 is an apocalyptic number.

201201031011 is a deficient number, since it is larger than the sum of its proper divisors (78091735613).

201201031011 is a wasteful number, since it uses less digits than its factorization.

201201031011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24830550.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 201201031011 its reverse (110130102102), we get a palindrome (311331133113).

The spelling of 201201031011 in words is "two hundred one billion, two hundred one million, thirty-one thousand, eleven".