102100045422 has 16 divisors (see below), whose sum is σ = 205690604112. Its totient is φ = 33784929600.

The previous prime is 102100045393. The next prime is 102100045427. The reversal of 102100045422 is 224540001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100045427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62103829 + ... + 62105472.

It is an arithmetic number, because the mean of its divisors is an integer number (12855662757).

Almost surely, 2^102100045422 is an apocalyptic number.

102100045422 is an abundant number, since it is smaller than the sum of its proper divisors (103590558690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102100045422 is a wasteful number, since it uses less digits than its factorization.

102100045422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124209443.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 102100045422 its reverse (224540001201), we get a palindrome (326640046623).

The spelling of 102100045422 in words is "one hundred two billion, one hundred million, forty-five thousand, four hundred twenty-two".