10120112222121 has 12 divisors (see below), whose sum is σ = 15946843501680. Its totient is φ = 6133401346680.

The previous prime is 10120112222063. The next prime is 10120112222147. The reversal of 10120112222121 is 12122221102101.

10120112222121 is a `hidden beast` number, since 101 + 201 + 122 + 221 + 21 = 666.

10120112222121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10120112222121 - 2¹⁵ = 10120112189353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10120112222094 and 10120112222103.

It is not an unprimeable number, because it can be changed into a prime (10120112222821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51111677791 + ... + 51111677988.

It is an arithmetic number, because the mean of its divisors is an integer number (1328903625140).

Almost surely, 2^{10120112222121} is an apocalyptic number.

10120112222121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10120112222121 is a deficient number, since it is larger than the sum of its proper divisors (5826731279559).

10120112222121 is a wasteful number, since it uses less digits than its factorization.

10120112222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102223355796 (or 102223355793 counting only the distinct ones).

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

Adding to 10120112222121 its reverse (12122221102101), we get a palindrome (22242333324222).

The spelling of 10120112222121 in words is "ten trillion, one hundred twenty billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty-one".