2122121122311 has 8 divisors (see below), whose sum is σ = 2829601200384. Its totient is φ = 1414694229560.

The previous prime is 2122121122309. The next prime is 2122121122339. The reversal of 2122121122311 is 1132211212212.

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 2122121122311 - 2¹ = 2122121122309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122121122351) 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, 13203135 + ... + 13362896.

It is an arithmetic number, because the mean of its divisors is an integer number (353700150048).

Almost surely, 2^{2122121122311} is an apocalyptic number.

2122121122311 is a deficient number, since it is larger than the sum of its proper divisors (707480078073).

2122121122311 is a wasteful number, since it uses less digits than its factorization.

2122121122311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26592661.

The product of its digits is 192, while the sum is 21.

Adding to 2122121122311 its reverse (1132211212212), we get a palindrome (3254332334523).

The spelling of 2122121122311 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-two thousand, three hundred eleven".