2123100334242 has 24 divisors (see below), whose sum is σ = 4600293560460. Its totient is φ = 707662752000.

The previous prime is 2123100334231. The next prime is 2123100334247. The reversal of 2123100334242 is 2424330013212.

2123100334242 is a `hidden beast` number, since 2 + 1 + 2 + 310 + 0 + 3 + 342 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2102410100961 + 20690233281 = 1449969^2 + 143841^2 .

It is not an unprimeable number, because it can be changed into a prime (2123100334247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2761767 + ... + 3445802.

Almost surely, 2^{2123100334242} is an apocalyptic number.

2123100334242 is an abundant number, since it is smaller than the sum of its proper divisors (2477193226218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123100334242 is a wasteful number, since it uses less digits than its factorization.

2123100334242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226578 (or 6226575 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 2123100334242 its reverse (2424330013212), we get a palindrome (4547430347454).

The spelling of 2123100334242 in words is "two trillion, one hundred twenty-three billion, one hundred million, three hundred thirty-four thousand, two hundred forty-two".