102112320422 has 32 divisors (see below), whose sum is σ = 178618936320. Its totient is φ = 42878571840.

The previous prime is 102112320403. The next prime is 102112320439. The reversal of 102112320422 is 224023211201.

It is a junction number, because it is equal to n+sod(n) for n = 102112320394 and 102112320403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207503 + ... + 497274.

It is an arithmetic number, because the mean of its divisors is an integer number (5581841760).

Almost surely, 2^102112320422 is an apocalyptic number.

102112320422 is a deficient number, since it is larger than the sum of its proper divisors (76506615898).

102112320422 is a wasteful number, since it uses less digits than its factorization.

102112320422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704996.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102112320422 its reverse (224023211201), we get a palindrome (326135531623).

The spelling of 102112320422 in words is "one hundred two billion, one hundred twelve million, three hundred twenty thousand, four hundred twenty-two".