121022120110121 has 4 divisors (see below), whose sum is σ = 124926059468544. Its totient is φ = 117118180751700.

The previous prime is 121022120110079. The next prime is 121022120110139. The reversal of 121022120110121 is 121011021220121.

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 not a de Polignac number, because 121022120110121 - 2²² = 121022115915817 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 121022120110121.

It is not an unprimeable number, because it can be changed into a prime (121022120110721) 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, 1951969679165 + ... + 1951969679226.

It is an arithmetic number, because the mean of its divisors is an integer number (31231514867136).

Almost surely, 2^{121022120110121} is an apocalyptic number.

It is an amenable number.

121022120110121 is a deficient number, since it is larger than the sum of its proper divisors (3903939358423).

121022120110121 is an equidigital number, since it uses as much as digits as its factorization.

121022120110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903939358422.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121022120110121 its reverse (121011021220121), we get a palindrome (242033141330242).

The spelling of 121022120110121 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred twenty million, one hundred ten thousand, one hundred twenty-one".