102434111110020 has 96 divisors (see below), whose sum is σ = 294614086032000. Its totient is φ = 26573276150784.

The previous prime is 102434111110007. The next prime is 102434111110043. The reversal of 102434111110020 is 20011111434201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10321176 + ... + 17646384.

It is an arithmetic number, because the mean of its divisors is an integer number (3068896729500).

Almost surely, 2^{102434111110020} is an apocalyptic number.

102434111110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102434111110020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147307043016000).

102434111110020 is an abundant number, since it is smaller than the sum of its proper divisors (192179974921980).

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

102434111110020 is a wasteful number, since it uses less digits than its factorization.

102434111110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7331557 (or 7331555 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 102434111110020 its reverse (20011111434201), we get a palindrome (122445222544221).

The spelling of 102434111110020 in words is "one hundred two trillion, four hundred thirty-four billion, one hundred eleven million, one hundred ten thousand, twenty".