2121004240234 has 8 divisors (see below), whose sum is σ = 3470734211328. Its totient is φ = 964092836460.

The previous prime is 2121004240183. The next prime is 2121004240363. The reversal of 2121004240234 is 4320424001212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2121004240199 and 2121004240208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48204641802 + ... + 48204641845.

It is an arithmetic number, because the mean of its divisors is an integer number (433841776416).

Almost surely, 2^{2121004240234} is an apocalyptic number.

2121004240234 is a deficient number, since it is larger than the sum of its proper divisors (1349729971094).

2121004240234 is a wasteful number, since it uses less digits than its factorization.

2121004240234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96409283660.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2121004240234 its reverse (4320424001212), we get a palindrome (6441428241446).

The spelling of 2121004240234 in words is "two trillion, one hundred twenty-one billion, four million, two hundred forty thousand, two hundred thirty-four".