102042243224 has 8 divisors (see below), whose sum is σ = 191329206060. Its totient is φ = 51021121608.

The previous prime is 102042243223. The next prime is 102042243227. The reversal of 102042243224 is 422342240201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 102042243193 and 102042243202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102042243223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6377640194 + ... + 6377640209.

Almost surely, 2^102042243224 is an apocalyptic number.

It is an amenable number.

102042243224 is a deficient number, since it is larger than the sum of its proper divisors (89286962836).

102042243224 is a wasteful number, since it uses less digits than its factorization.

102042243224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12755280409 (or 12755280405 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 102042243224 its reverse (422342240201), we get a palindrome (524384483425).

The spelling of 102042243224 in words is "one hundred two billion, forty-two million, two hundred forty-three thousand, two hundred twenty-four".