2142231201442 has 16 divisors (see below), whose sum is σ = 3215609785440. Its totient is φ = 1070361390688.

The previous prime is 2142231201433. The next prime is 2142231201493. The reversal of 2142231201442 is 2441021322412.

It is a self number, because there is not a number n which added to its sum of digits gives 2142231201442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52004358 + ... + 52045534.

It is an arithmetic number, because the mean of its divisors is an integer number (200975611590).

Almost surely, 2^{2142231201442} is an apocalyptic number.

2142231201442 is a deficient number, since it is larger than the sum of its proper divisors (1073378583998).

2142231201442 is a wasteful number, since it uses less digits than its factorization.

2142231201442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58865.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 2142231201442 its reverse (2441021322412), we get a palindrome (4583252523854).

The spelling of 2142231201442 in words is "two trillion, one hundred forty-two billion, two hundred thirty-one million, two hundred one thousand, four hundred forty-two".