2121110032142 has 8 divisors (see below), whose sum is σ = 3267655995576. Its totient is φ = 1031891366952.

The previous prime is 2121110032117. The next prime is 2121110032177. The reversal of 2121110032142 is 2412300111212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 14331824468 + ... + 14331824615.

It is an arithmetic number, because the mean of its divisors is an integer number (408456999447).

Almost surely, 2^{2121110032142} is an apocalyptic number.

2121110032142 is a deficient number, since it is larger than the sum of its proper divisors (1146545963434).

2121110032142 is a wasteful number, since it uses less digits than its factorization.

2121110032142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28663649122.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2121110032142 its reverse (2412300111212), we get a palindrome (4533410143354).

The spelling of 2121110032142 in words is "two trillion, one hundred twenty-one billion, one hundred ten million, thirty-two thousand, one hundred forty-two".