100121104343 has 16 divisors (see below), whose sum is σ = 108319026816. Its totient is φ = 91994784480.

The previous prime is 100121104337. The next prime is 100121104367. The reversal of 100121104343 is 343401121001.

It is a cyclic number.

It is not a de Polignac number, because 100121104343 - 2²² = 100116910039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121101343) 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, 3558296 + ... + 3586322.

It is an arithmetic number, because the mean of its divisors is an integer number (6769939176).

Almost surely, 2^100121104343 is an apocalyptic number.

100121104343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100121104343 is a deficient number, since it is larger than the sum of its proper divisors (8197922473).

100121104343 is a wasteful number, since it uses less digits than its factorization.

100121104343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29294.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 100121104343 its reverse (343401121001), we get a palindrome (443522225344).

The spelling of 100121104343 in words is "one hundred billion, one hundred twenty-one million, one hundred four thousand, three hundred forty-three".