16340102121 has 16 divisors (see below), whose sum is σ = 24909231104. Its totient is φ = 9333440784.

The previous prime is 16340102101. The next prime is 16340102123. The reversal of 16340102121 is 12120104361.

It is a de Polignac number, because none of the positive numbers 2^k-16340102121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16340102123) 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, 102871 + ... + 207996.

It is an arithmetic number, because the mean of its divisors is an integer number (1556826944).

Almost surely, 2^16340102121 is an apocalyptic number.

It is an amenable number.

16340102121 is a deficient number, since it is larger than the sum of its proper divisors (8569128983).

16340102121 is a wasteful number, since it uses less digits than its factorization.

16340102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313380.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 16340102121 its reverse (12120104361), we get a palindrome (28460206482).

The spelling of 16340102121 in words is "sixteen billion, three hundred forty million, one hundred two thousand, one hundred twenty-one".