10120120100121 has 4 divisors (see below), whose sum is σ = 13493493466832. Its totient is φ = 6746746733412.

The previous prime is 10120120100117. The next prime is 10120120100231. The reversal of 10120120100121 is 12100102102101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10120120100121 - 2² = 10120120100117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120120100097 and 10120120100106.

It is not an unprimeable number, because it can be changed into a prime (10120120108121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686686683351 + ... + 1686686683356.

It is an arithmetic number, because the mean of its divisors is an integer number (3373373366708).

Almost surely, 2^{10120120100121} is an apocalyptic number.

It is an amenable number.

10120120100121 is a deficient number, since it is larger than the sum of its proper divisors (3373373366711).

10120120100121 is an equidigital number, since it uses as much as digits as its factorization.

10120120100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373373366710.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10120120100121 its reverse (12100102102101), we get a palindrome (22220222202222).

The spelling of 10120120100121 in words is "ten trillion, one hundred twenty billion, one hundred twenty million, one hundred thousand, one hundred twenty-one".