102212421044 has 24 divisors (see below), whose sum is σ = 184465512000. Its totient is φ = 49532389760.

The previous prime is 102212421043. The next prime is 102212421083. The reversal of 102212421044 is 440124212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212421043) 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, 3033269 + ... + 3066780.

It is an arithmetic number, because the mean of its divisors is an integer number (7686063000).

Almost surely, 2^102212421044 is an apocalyptic number.

It is an amenable number.

102212421044 is a deficient number, since it is larger than the sum of its proper divisors (82253090956).

102212421044 is a wasteful number, since it uses less digits than its factorization.

102212421044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100183 (or 6100181 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 102212421044 its reverse (440124212201), we get a palindrome (542336633245).

The spelling of 102212421044 in words is "one hundred two billion, two hundred twelve million, four hundred twenty-one thousand, forty-four".