2331021434111 has 2 divisors, whose sum is σ = 2331021434112. Its totient is φ = 2331021434110.

The previous prime is 2331021434107. The next prime is 2331021434143. The reversal of 2331021434111 is 1114341201332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2331021434111 - 2² = 2331021434107 is a prime.

It is a super-2 number, since 2×2331021434111² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331021436111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165510717055 + 1165510717056.

It is an arithmetic number, because the mean of its divisors is an integer number (1165510717056).

Almost surely, 2^{2331021434111} is an apocalyptic number.

2331021434111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331021434111 is an equidigital number, since it uses as much as digits as its factorization.

2331021434111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 2331021434111 its reverse (1114341201332), we get a palindrome (3445362635443).

The spelling of 2331021434111 in words is "two trillion, three hundred thirty-one billion, twenty-one million, four hundred thirty-four thousand, one hundred eleven".