102040202143 has 16 divisors (see below), whose sum is σ = 112852185984. Its totient is φ = 91491796960.

The previous prime is 102040202071. The next prime is 102040202177. The reversal of 102040202143 is 341202040201.

It is a cyclic number.

It is not a de Polignac number, because 102040202143 - 2¹⁷ = 102040071071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102040202143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102043202143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76221 + ... + 458137.

It is an arithmetic number, because the mean of its divisors is an integer number (7053261624).

Almost surely, 2^102040202143 is an apocalyptic number.

102040202143 is a deficient number, since it is larger than the sum of its proper divisors (10811983841).

102040202143 is a wasteful number, since it uses less digits than its factorization.

102040202143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382262.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 102040202143 its reverse (341202040201), we get a palindrome (443242242344).

The spelling of 102040202143 in words is "one hundred two billion, forty million, two hundred two thousand, one hundred forty-three".