120101000020121 has 4 divisors (see below), whose sum is σ = 120101047497600. Its totient is φ = 120100952542644.

The previous prime is 120101000020103. The next prime is 120101000020163. The reversal of 120101000020121 is 121020000101021.

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 a cyclic number.

It is not a de Polignac number, because 120101000020121 - 2²² = 120100995825817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120101000022121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19717181 + ... + 25079258.

It is an arithmetic number, because the mean of its divisors is an integer number (30025261874400).

Almost surely, 2^{120101000020121} is an apocalyptic number.

It is an amenable number.

120101000020121 is a deficient number, since it is larger than the sum of its proper divisors (47477479).

120101000020121 is an equidigital number, since it uses as much as digits as its factorization.

120101000020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47477478.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120101000020121 its reverse (121020000101021), we get a palindrome (241121000121142).

The spelling of 120101000020121 in words is "one hundred twenty trillion, one hundred one billion, twenty thousand, one hundred twenty-one".