102434113011021 has 16 divisors (see below), whose sum is σ = 149004813081600. Its totient is φ = 62077222441520.

The previous prime is 102434113010923. The next prime is 102434113011031. The reversal of 102434113011021 is 120110311434201.

It is not a de Polignac number, because 102434113011021 - 2¹¹ = 102434113008973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102434113010982 and 102434113011000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102434113011031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100941765 + ... + 101951498.

It is an arithmetic number, because the mean of its divisors is an integer number (9312800817600).

Almost surely, 2^{102434113011021} is an apocalyptic number.

102434113011021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102434113011021 is a deficient number, since it is larger than the sum of its proper divisors (46570700070579).

102434113011021 is a wasteful number, since it uses less digits than its factorization.

102434113011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202908576.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 102434113011021 its reverse (120110311434201), we get a palindrome (222544424445222).

The spelling of 102434113011021 in words is "one hundred two trillion, four hundred thirty-four billion, one hundred thirteen million, eleven thousand, twenty-one".