120211232020121 has 32 divisors (see below), whose sum is σ = 133406155612800. Its totient is φ = 107410080960000.

The previous prime is 120211232020111. The next prime is 120211232020123. The reversal of 120211232020121 is 121020232112021.

It is a cyclic number.

It is not a de Polignac number, because 120211232020121 - 2¹⁰ = 120211232019097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120211232020093 and 120211232020102.

It is not an unprimeable number, because it can be changed into a prime (120211232020123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1496222411 + ... + 1496302751.

It is an arithmetic number, because the mean of its divisors is an integer number (4168942362900).

Almost surely, 2^{120211232020121} is an apocalyptic number.

120211232020121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120211232020121 is a deficient number, since it is larger than the sum of its proper divisors (13194923592679).

120211232020121 is a wasteful number, since it uses less digits than its factorization.

120211232020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90281.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 120211232020121 its reverse (121020232112021), we get a palindrome (241231464132142).

It can be divided in two parts, 1202112 and 32020121, that added together give a palindrome (33222233).

The spelling of 120211232020121 in words is "one hundred twenty trillion, two hundred eleven billion, two hundred thirty-two million, twenty thousand, one hundred twenty-one".