121011122110121 has 8 divisors (see below), whose sum is σ = 122715736423488. Its totient is φ = 119306514250000.

The previous prime is 121011122110051. The next prime is 121011122110163. The reversal of 121011122110121 is 121011221110121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121011122110121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121011122110121.

It is not an unprimeable number, because it can be changed into a prime (121011122110621) 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, 45970046 + ... + 48531096.

It is an arithmetic number, because the mean of its divisors is an integer number (15339467052936).

Almost surely, 2^{121011122110121} is an apocalyptic number.

It is an amenable number.

121011122110121 is a deficient number, since it is larger than the sum of its proper divisors (1704614313367).

121011122110121 is an equidigital number, since it uses as much as digits as its factorization.

121011122110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226623.

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

Adding to 121011122110121 its reverse (121011221110121), we get a palindrome (242022343220242).

The spelling of 121011122110121 in words is "one hundred twenty-one trillion, eleven billion, one hundred twenty-two million, one hundred ten thousand, one hundred twenty-one".