2122042154311 has 4 divisors (see below), whose sum is σ = 2151111224992. Its totient is φ = 2092973083632.

The previous prime is 2122042154299. The next prime is 2122042154327. The reversal of 2122042154311 is 1134512402212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2122042154311 - 2⁵ = 2122042154279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122042154311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122042154381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14534535231 + ... + 14534535376.

It is an arithmetic number, because the mean of its divisors is an integer number (537777806248).

Almost surely, 2^{2122042154311} is an apocalyptic number.

2122042154311 is a deficient number, since it is larger than the sum of its proper divisors (29069070681).

2122042154311 is an equidigital number, since it uses as much as digits as its factorization.

2122042154311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29069070680.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 2122042154311 its reverse (1134512402212), we get a palindrome (3256554556523).

The spelling of 2122042154311 in words is "two trillion, one hundred twenty-two billion, forty-two million, one hundred fifty-four thousand, three hundred eleven".