102103215422 has 16 divisors (see below), whose sum is σ = 165911922960. Its totient is φ = 47124558936.

The previous prime is 102103215421. The next prime is 102103215427. The reversal of 102103215422 is 224512301201.

It is a super-2 number, since 2×102103215422² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102103215421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11614088 + ... + 11622875.

It is an arithmetic number, because the mean of its divisors is an integer number (10369495185).

Almost surely, 2^102103215422 is an apocalyptic number.

102103215422 is a deficient number, since it is larger than the sum of its proper divisors (63808707538).

102103215422 is an equidigital number, since it uses as much as digits as its factorization.

102103215422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23237004 (or 23236978 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 102103215422 its reverse (224512301201), we get a palindrome (326615516623).

The spelling of 102103215422 in words is "one hundred two billion, one hundred three million, two hundred fifteen thousand, four hundred twenty-two".