2131232122111 has 8 divisors (see below), whose sum is σ = 2184165610704. Its totient is φ = 2078343977280.

The previous prime is 2131232122087. The next prime is 2131232122127. The reversal of 2131232122111 is 1112212321312.

It is a happy number.

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 2131232122111 - 2¹¹ = 2131232120063 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 (2131232122181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11240761 + ... + 11428786.

It is an arithmetic number, because the mean of its divisors is an integer number (273020701338).

Almost surely, 2^{2131232122111} is an apocalyptic number.

2131232122111 is a deficient number, since it is larger than the sum of its proper divisors (52933488593).

2131232122111 is a wasteful number, since it uses less digits than its factorization.

2131232122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22671881.

The product of its digits is 288, while the sum is 22.

Adding to 2131232122111 its reverse (1112212321312), we get a palindrome (3243444443423).

The spelling of 2131232122111 in words is "two trillion, one hundred thirty-one billion, two hundred thirty-two million, one hundred twenty-two thousand, one hundred eleven".