102102433254242 has 8 divisors (see below), whose sum is σ = 153154603872732. Its totient is φ = 51050898630000.

The previous prime is 102102433254137. The next prime is 102102433254287. The reversal of 102102433254242 is 242452334201201.

It can be written as a sum of positive squares in 2 ways, for example, as 93869958199801 + 8232475054441 = 9688651^2 + 2869229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158597009 + ... + 159239492.

Almost surely, 2^{102102433254242} is an apocalyptic number.

102102433254242 is a deficient number, since it is larger than the sum of its proper divisors (51052170618490).

102102433254242 is a wasteful number, since it uses less digits than its factorization.

102102433254242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317997124.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 102102433254242 its reverse (242452334201201), we get a palindrome (344554767455443).

The spelling of 102102433254242 in words is "one hundred two trillion, one hundred two billion, four hundred thirty-three million, two hundred fifty-four thousand, two hundred forty-two".