121101010110111 has 8 divisors (see below), whose sum is σ = 163511912385280. Its totient is φ = 79712057287512.

The previous prime is 121101010110089. The next prime is 121101010110133. The reversal of 121101010110111 is 111011010101121.

It is an interprime number because it is at equal distance from previous prime (121101010110089) and next prime (121101010110133).

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

It is not a de Polignac number, because 121101010110111 - 2¹³ = 121101010101919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101010117111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255487362865 + ... + 255487363338.

It is an arithmetic number, because the mean of its divisors is an integer number (20438989048160).

Almost surely, 2^{121101010110111} is an apocalyptic number.

121101010110111 is a deficient number, since it is larger than the sum of its proper divisors (42410902275169).

121101010110111 is an equidigital number, since it uses as much as digits as its factorization.

121101010110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510974726285.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 121101010110111 its reverse (111011010101121), we get a palindrome (232112020211232).

The spelling of 121101010110111 in words is "one hundred twenty-one trillion, one hundred one billion, ten million, one hundred ten thousand, one hundred eleven".