102442102203 has 32 divisors (see below), whose sum is σ = 161987904000. Its totient is φ = 57546134688.

The previous prime is 102442102201. The next prime is 102442102283. The reversal of 102442102203 is 302201244201.

It is not a de Polignac number, because 102442102203 - 2¹ = 102442102201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 102442102203.

It is not an unprimeable number, because it can be changed into a prime (102442102201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 782976 + ... + 904397.

It is an arithmetic number, because the mean of its divisors is an integer number (5062122000).

Almost surely, 2^102442102203 is an apocalyptic number.

102442102203 is a deficient number, since it is larger than the sum of its proper divisors (59545801797).

102442102203 is an equidigital number, since it uses as much as digits as its factorization.

102442102203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687456 (or 1687442 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 102442102203 its reverse (302201244201), we get a palindrome (404643346404).

The spelling of 102442102203 in words is "one hundred two billion, four hundred forty-two million, one hundred two thousand, two hundred three".