2911212121093 has 8 divisors (see below), whose sum is σ = 3082475188440. Its totient is φ = 2739950753280.

The previous prime is 2911212121061. The next prime is 2911212121133. The reversal of 2911212121093 is 3901212121192.

It is a happy number.

2911212121093 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 211703972769 + 2699508148324 = 460113^2 + 1643018^2 .

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 2911212121093 - 2⁵ = 2911212121061 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 (2911212121033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5325433 + ... + 5846593.

It is an arithmetic number, because the mean of its divisors is an integer number (385309398555).

Almost surely, 2^{2911212121093} is an apocalyptic number.

It is an amenable number.

2911212121093 is a deficient number, since it is larger than the sum of its proper divisors (171263067347).

2911212121093 is a wasteful number, since it uses less digits than its factorization.

2911212121093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849767.

The product of its (nonzero) digits is 3888, while the sum is 34.

Subtracting 2911212121093 from its reverse (3901212121192), we obtain a palindrome (990000000099).

The spelling of 2911212121093 in words is "two trillion, nine hundred eleven billion, two hundred twelve million, one hundred twenty-one thousand, ninety-three".