2121311434034 has 8 divisors (see below), whose sum is σ = 3426733855020. Its totient is φ = 979066815696.

The previous prime is 2121311434003. The next prime is 2121311434139. The reversal of 2121311434034 is 4304341131212.

It can be written as a sum of positive squares in 2 ways, for example, as 2074328704009 + 46982730025 = 1440253^2 + 216755^2 .

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 = 2121311433988 and 2121311434006.

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, 40794450629 + ... + 40794450680.

Almost surely, 2^{2121311434034} is an apocalyptic number.

2121311434034 is a deficient number, since it is larger than the sum of its proper divisors (1305422420986).

2121311434034 is a wasteful number, since it uses less digits than its factorization.

2121311434034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81588901324.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 2121311434034 its reverse (4304341131212), we get a palindrome (6425652565246).

The spelling of 2121311434034 in words is "two trillion, one hundred twenty-one billion, three hundred eleven million, four hundred thirty-four thousand, thirty-four".