2001121300131 has 16 divisors (see below), whose sum is σ = 2742109854624. Its totient is φ = 1297155112704.

The previous prime is 2001121300109. The next prime is 2001121300159. The reversal of 2001121300131 is 1310031211002.

It is a happy number.

It is not a de Polignac number, because 2001121300131 - 2¹⁵ = 2001121267363 is a prime.

It is a super-2 number, since 2×2001121300131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2001121300131.

It is not an unprimeable number, because it can be changed into a prime (2001121301131) 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, 5871826 + ... + 6203271.

It is an arithmetic number, because the mean of its divisors is an integer number (171381865914).

Almost surely, 2^{2001121300131} is an apocalyptic number.

2001121300131 is a deficient number, since it is larger than the sum of its proper divisors (740988554493).

2001121300131 is a wasteful number, since it uses less digits than its factorization.

2001121300131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12076630.

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

Adding to 2001121300131 its reverse (1310031211002), we get a palindrome (3311152511133).

The spelling of 2001121300131 in words is "two trillion, one billion, one hundred twenty-one million, three hundred thousand, one hundred thirty-one".