120011122022121 has 24 divisors (see below), whose sum is σ = 197330540561856. Its totient is φ = 69571664939040.

The previous prime is 120011122022101. The next prime is 120011122022147. The reversal of 120011122022121 is 121220221110021.

120011122022121 is a `hidden beast` number, since 1 + 200 + 1 + 1 + 1 + 220 + 221 + 21 = 666.

It is not a de Polignac number, because 120011122022121 - 2⁵ = 120011122022089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120011122022094 and 120011122022103.

It is not an unprimeable number, because it can be changed into a prime (120011122022101) 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, 26352901110 + ... + 26352905663.

It is an arithmetic number, because the mean of its divisors is an integer number (8222105856744).

Almost surely, 2^{120011122022121} is an apocalyptic number.

120011122022121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120011122022121 is a deficient number, since it is larger than the sum of its proper divisors (77319418539735).

120011122022121 is a wasteful number, since it uses less digits than its factorization.

120011122022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52705806813 (or 52705806810 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120011122022121 its reverse (121220221110021), we get a palindrome (241231343132142).

It can be divided in two parts, 1200111 and 22022121, that added together give a palindrome (23222232).

The spelling of 120011122022121 in words is "one hundred twenty trillion, eleven billion, one hundred twenty-two million, twenty-two thousand, one hundred twenty-one".