120210111021121 has 32 divisors (see below), whose sum is σ = 133490015260416. Its totient is φ = 107341264800000.

The previous prime is 120210111021107. The next prime is 120210111021149. The reversal of 120210111021121 is 121120111012021.

It is not a de Polignac number, because 120210111021121 - 2²⁹ = 120209574150209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120210111021095 and 120210111021104.

It is not an unprimeable number, because it can be changed into a prime (120210111031121) 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, 126521791 + ... + 127468363.

It is an arithmetic number, because the mean of its divisors is an integer number (4171562976888).

Almost surely, 2^{120210111021121} is an apocalyptic number.

120210111021121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120210111021121 is a deficient number, since it is larger than the sum of its proper divisors (13279904239295).

120210111021121 is a wasteful number, since it uses less digits than its factorization.

120210111021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947593.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 120210111021121 its reverse (121120111012021), we get a palindrome (241330222033142).

The spelling of 120210111021121 in words is "one hundred twenty trillion, two hundred ten billion, one hundred eleven million, twenty-one thousand, one hundred twenty-one".