102203503642 has 16 divisors (see below), whose sum is σ = 153686198880. Its totient is φ = 50974875952.

The previous prime is 102203503613. The next prime is 102203503679. The reversal of 102203503642 is 246305302201.

It is a self number, because there is not a number n which added to its sum of digits gives 102203503642.

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, 2013993 + ... + 2064115.

It is an arithmetic number, because the mean of its divisors is an integer number (9605387430).

Almost surely, 2^102203503642 is an apocalyptic number.

102203503642 is a deficient number, since it is larger than the sum of its proper divisors (51482695238).

102203503642 is a wasteful number, since it uses less digits than its factorization.

102203503642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52637.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 102203503642 its reverse (246305302201), we get a palindrome (348508805843).

The spelling of 102203503642 in words is "one hundred two billion, two hundred three million, five hundred three thousand, six hundred forty-two".