201201302120311 has 4 divisors (see below), whose sum is σ = 201223993152312. Its totient is φ = 201178611088312.

The previous prime is 201201302120297. The next prime is 201201302120363. The reversal of 201201302120311 is 113021203102102.

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 201201302120311 - 2⁷ = 201201302120183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201302126311) 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, 11345502700 + ... + 11345520433.

It is an arithmetic number, because the mean of its divisors is an integer number (50305998288078).

Almost surely, 2^{201201302120311} is an apocalyptic number.

201201302120311 is a deficient number, since it is larger than the sum of its proper divisors (22691032001).

201201302120311 is an equidigital number, since it uses as much as digits as its factorization.

201201302120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22691032000.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 201201302120311 its reverse (113021203102102), we get a palindrome (314222505222413).

The spelling of 201201302120311 in words is "two hundred one trillion, two hundred one billion, three hundred two million, one hundred twenty thousand, three hundred eleven".