2142004321121 has 8 divisors (see below), whose sum is σ = 2449141976064. Its totient is φ = 1835150925600.

The previous prime is 2142004321099. The next prime is 2142004321141. The reversal of 2142004321121 is 1211234002412.

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 2142004321121 - 2²⁶ = 2141937212257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2142004321141) 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, 71048705 + ... + 71078846.

It is an arithmetic number, because the mean of its divisors is an integer number (306142747008).

Almost surely, 2^{2142004321121} is an apocalyptic number.

It is an amenable number.

2142004321121 is a deficient number, since it is larger than the sum of its proper divisors (307137654943).

2142004321121 is a wasteful number, since it uses less digits than its factorization.

2142004321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142129711.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2142004321121 its reverse (1211234002412), we get a palindrome (3353238323533).

The spelling of 2142004321121 in words is "two trillion, one hundred forty-two billion, four million, three hundred twenty-one thousand, one hundred twenty-one".