201203311011 has 16 divisors (see below), whose sum is σ = 289411203744. Its totient is φ = 123863227904.

The previous prime is 201203311007. The next prime is 201203311013. The reversal of 201203311011 is 110113302102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201203311011 - 2² = 201203311007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201203311013) 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, 37215816 + ... + 37221221.

It is an arithmetic number, because the mean of its divisors is an integer number (18088200234).

Almost surely, 2^201203311011 is an apocalyptic number.

201203311011 is a deficient number, since it is larger than the sum of its proper divisors (88207892733).

201203311011 is a wasteful number, since it uses less digits than its factorization.

201203311011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74437110.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 201203311011 its reverse (110113302102), we get a palindrome (311316613113).

The spelling of 201203311011 in words is "two hundred one billion, two hundred three million, three hundred eleven thousand, eleven".