121112333121 has 32 divisors (see below), whose sum is σ = 182586821760. Its totient is φ = 70886559744.

The previous prime is 121112333117. The next prime is 121112333123. The reversal of 121112333121 is 121333211121.

It is not a de Polignac number, because 121112333121 - 2² = 121112333117 is a prime.

It is a super-3 number, since 3×121112333121³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121112333123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 723360 + ... + 874913.

It is an arithmetic number, because the mean of its divisors is an integer number (5705838180).

Almost surely, 2^121112333121 is an apocalyptic number.

It is an amenable number.

121112333121 is a deficient number, since it is larger than the sum of its proper divisors (61474488639).

121112333121 is a wasteful number, since it uses less digits than its factorization.

121112333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598385.

The product of its digits is 216, while the sum is 21.

Adding to 121112333121 its reverse (121333211121), we get a palindrome (242445544242).

The spelling of 121112333121 in words is "one hundred twenty-one billion, one hundred twelve million, three hundred thirty-three thousand, one hundred twenty-one".