121023331121 has 8 divisors (see below), whose sum is σ = 150886231104. Its totient is φ = 94303894320.

The previous prime is 121023331087. The next prime is 121023331127. The reversal of 121023331121 is 121133320121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121023331121 - 2²² = 121019136817 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121023331093 and 121023331102.

It is not an unprimeable number, because it can be changed into a prime (121023331127) 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, 785865710 + ... + 785865863.

It is an arithmetic number, because the mean of its divisors is an integer number (18860778888).

Almost surely, 2^121023331121 is an apocalyptic number.

121023331121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121023331121 is a deficient number, since it is larger than the sum of its proper divisors (29862899983).

121023331121 is a wasteful number, since it uses less digits than its factorization.

121023331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571731591.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121023331121 its reverse (121133320121), we get a palindrome (242156651242).

The spelling of 121023331121 in words is "one hundred twenty-one billion, twenty-three million, three hundred thirty-one thousand, one hundred twenty-one".