2102243020142 has 16 divisors (see below), whose sum is σ = 3361265002800. Its totient is φ = 982651294848.

The previous prime is 2102243020133. The next prime is 2102243020237. The reversal of 2102243020142 is 2410203422012.

It is a congruent number.

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, 207480428 + ... + 207490559.

It is an arithmetic number, because the mean of its divisors is an integer number (210079062675).

Almost surely, 2^{2102243020142} is an apocalyptic number.

2102243020142 is a deficient number, since it is larger than the sum of its proper divisors (1259021982658).

2102243020142 is a wasteful number, since it uses less digits than its factorization.

2102243020142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414971155.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2102243020142 its reverse (2410203422012), we get a palindrome (4512446442154).

The spelling of 2102243020142 in words is "two trillion, one hundred two billion, two hundred forty-three million, twenty thousand, one hundred forty-two".