102004221124 has 12 divisors (see below), whose sum is σ = 192238724524. Its totient is φ = 47078871264.

The previous prime is 102004221107. The next prime is 102004221131. The reversal of 102004221124 is 421122400201.

It can be written as a sum of positive squares in 2 ways, for example, as 63462678724 + 38541542400 = 251918^2 + 196320^2 .

It is a super-2 number, since 2×102004221124² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 980809767 + ... + 980809870.

Almost surely, 2^102004221124 is an apocalyptic number.

It is an amenable number.

102004221124 is a deficient number, since it is larger than the sum of its proper divisors (90234503400).

102004221124 is a wasteful number, since it uses less digits than its factorization.

102004221124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961619654 (or 1961619652 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102004221124 its reverse (421122400201), we get a palindrome (523126621325).

It can be divided in two parts, 10200 and 4221124, that added together give a palindrome (4231324).

The spelling of 102004221124 in words is "one hundred two billion, four million, two hundred twenty-one thousand, one hundred twenty-four".