121133022222121 has 24 divisors (see below), whose sum is σ = 151752841208640. Its totient is φ = 95839124465952.

The previous prime is 121133022222101. The next prime is 121133022222167. The reversal of 121133022222121 is 121222220331121.

It is not a de Polignac number, because 121133022222121 - 2⁹ = 121133022221609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121133022222101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23441790 + ... + 28138648.

It is an arithmetic number, because the mean of its divisors is an integer number (6323035050360).

Almost surely, 2^{121133022222121} is an apocalyptic number.

It is an amenable number.

121133022222121 is a deficient number, since it is larger than the sum of its proper divisors (30619818986519).

121133022222121 is a wasteful number, since it uses less digits than its factorization.

121133022222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737373 (or 4737366 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 121133022222121 its reverse (121222220331121), we get a palindrome (242355242553242).

The spelling of 121133022222121 in words is "one hundred twenty-one trillion, one hundred thirty-three billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty-one".