121105275711 has 24 divisors (see below), whose sum is σ = 187855207344. Its totient is φ = 69196216320.

The previous prime is 121105275689. The next prime is 121105275719. The reversal of 121105275711 is 117572501121.

It is not a de Polignac number, because 121105275711 - 2⁵ = 121105275679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121105275719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1720831 + ... + 1789823.

It is an arithmetic number, because the mean of its divisors is an integer number (7827300306).

Almost surely, 2^121105275711 is an apocalyptic number.

121105275711 is a deficient number, since it is larger than the sum of its proper divisors (66749931633).

121105275711 is a wasteful number, since it uses less digits than its factorization.

121105275711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80951 (or 80944 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 33.

Adding to 121105275711 its reverse (117572501121), we get a palindrome (238677776832).

The spelling of 121105275711 in words is "one hundred twenty-one billion, one hundred five million, two hundred seventy-five thousand, seven hundred eleven".