2143340042100 has 72 divisors (see below), whose sum is σ = 6207483841440. Its totient is φ = 570996362880.

The previous prime is 2143340042089. The next prime is 2143340042117. The reversal of 2143340042100 is 12400433412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3199927 + ... + 3811326.

Almost surely, 2^{2143340042100} is an apocalyptic number.

2143340042100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143340042100 is an abundant number, since it is smaller than the sum of its proper divisors (4064143799340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143340042100 is a wasteful number, since it uses less digits than its factorization.

2143340042100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012289 (or 7012282 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2143340042100 its reverse (12400433412), we get a palindrome (2155740475512).

The spelling of 2143340042100 in words is "two trillion, one hundred forty-three billion, three hundred forty million, forty-two thousand, one hundred".