2142225721389 has 64 divisors (see below), whose sum is σ = 3244220356608. Its totient is φ = 1248683385600.

The previous prime is 2142225721373. The next prime is 2142225721409. The reversal of 2142225721389 is 9831275222412.

It is not a de Polignac number, because 2142225721389 - 2⁴ = 2142225721373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142225720389) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7115614 + ... + 7410560.

It is an arithmetic number, because the mean of its divisors is an integer number (50690943072).

Almost surely, 2^{2142225721389} is an apocalyptic number.

It is an amenable number.

2142225721389 is a deficient number, since it is larger than the sum of its proper divisors (1101994635219).

2142225721389 is a wasteful number, since it uses less digits than its factorization.

2142225721389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295138.

The product of its digits is 967680, while the sum is 48.

The spelling of 2142225721389 in words is "two trillion, one hundred forty-two billion, two hundred twenty-five million, seven hundred twenty-one thousand, three hundred eighty-nine".