2131231211201 has 8 divisors (see below), whose sum is σ = 2141047920000. Its totient is φ = 2121427481472.

The previous prime is 2131231211191. The next prime is 2131231211203. The reversal of 2131231211201 is 1021121321312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131231211201 - 2³⁴ = 2114051342017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131231211203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2915525 + ... + 3572498.

It is an arithmetic number, because the mean of its divisors is an integer number (267630990000).

Almost surely, 2^{2131231211201} is an apocalyptic number.

It is an amenable number.

2131231211201 is a deficient number, since it is larger than the sum of its proper divisors (9816708799).

2131231211201 is a wasteful number, since it uses less digits than its factorization.

2131231211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6489535.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2131231211201 its reverse (1021121321312), we get a palindrome (3152352532513).

It can be divided in two parts, 2131231 and 211201, that added together give a palindrome (2342432).

The spelling of 2131231211201 in words is "two trillion, one hundred thirty-one billion, two hundred thirty-one million, two hundred eleven thousand, two hundred one".