2134242222421 has 8 divisors (see below), whose sum is σ = 2150956969920. Its totient is φ = 2117571636672.

The previous prime is 2134242222407. The next prime is 2134242222439. The reversal of 2134242222421 is 1242222424312.

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 2134242222421 - 2⁷ = 2134242222293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134242222491) 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, 10943401 + ... + 11136718.

It is an arithmetic number, because the mean of its divisors is an integer number (268869621240).

Almost surely, 2^{2134242222421} is an apocalyptic number.

It is an amenable number.

2134242222421 is a deficient number, since it is larger than the sum of its proper divisors (16714747499).

2134242222421 is a wasteful number, since it uses less digits than its factorization.

2134242222421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22080875.

The product of its digits is 24576, while the sum is 31.

Adding to 2134242222421 its reverse (1242222424312), we get a palindrome (3376464646733).

The spelling of 2134242222421 in words is "two trillion, one hundred thirty-four billion, two hundred forty-two million, two hundred twenty-two thousand, four hundred twenty-one".