121101122111201 has 4 divisors (see below), whose sum is σ = 121101164009472. Its totient is φ = 121101080212932.

The previous prime is 121101122111159. The next prime is 121101122111213. The reversal of 121101122111201 is 102111221101121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121101122111201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121101122111201.

It is not an unprimeable number, because it can be changed into a prime (121101122111231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16264385 + ... + 22510718.

It is an arithmetic number, because the mean of its divisors is an integer number (30275291002368).

Almost surely, 2^{121101122111201} is an apocalyptic number.

It is an amenable number.

121101122111201 is a deficient number, since it is larger than the sum of its proper divisors (41898271).

121101122111201 is an equidigital number, since it uses as much as digits as its factorization.

121101122111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41898270.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 121101122111201 its reverse (102111221101121), we get a palindrome (223212343212322).

The spelling of 121101122111201 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred twenty-two million, one hundred eleven thousand, two hundred one".