201131121301 has 16 divisors (see below), whose sum is σ = 225262306368. Its totient is φ = 178027033600.

The previous prime is 201131121283. The next prime is 201131121307. The reversal of 201131121301 is 103121131102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201131121301 - 2²⁵ = 201097566869 is a prime.

It is a super-3 number, since 3×201131121301³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201131121307) 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, 1240396 + ... + 1393141.

It is an arithmetic number, because the mean of its divisors is an integer number (14078894148).

Almost surely, 2^201131121301 is an apocalyptic number.

It is an amenable number.

201131121301 is a deficient number, since it is larger than the sum of its proper divisors (24131185067).

201131121301 is a wasteful number, since it uses less digits than its factorization.

201131121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633732.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 201131121301 its reverse (103121131102), we get a palindrome (304252252403).

The spelling of 201131121301 in words is "two hundred one billion, one hundred thirty-one million, one hundred twenty-one thousand, three hundred one".