120001110020121 has 16 divisors (see below), whose sum is σ = 184814543775168. Its totient is φ = 68449831027200.

The previous prime is 120001110020111. The next prime is 120001110020123. The reversal of 120001110020121 is 121020011100021.

It is not a de Polignac number, because 120001110020121 - 2²⁶ = 120001042911257 is a prime.

It is a super-2 number, since 2×120001110020121² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120001110020097 and 120001110020106.

It is not an unprimeable number, because it can be changed into a prime (120001110020123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106952860420 + ... + 106952861541.

It is an arithmetic number, because the mean of its divisors is an integer number (11550908985948).

Almost surely, 2^{120001110020121} is an apocalyptic number.

120001110020121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120001110020121 is a deficient number, since it is larger than the sum of its proper divisors (64813433755047).

120001110020121 is a wasteful number, since it uses less digits than its factorization.

120001110020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213905721992.

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

Adding to 120001110020121 its reverse (121020011100021), we get a palindrome (241021121120142).

The spelling of 120001110020121 in words is "one hundred twenty trillion, one billion, one hundred ten million, twenty thousand, one hundred twenty-one".