120100012021121 has 16 divisors (see below), whose sum is σ = 134340020615808. Its totient is φ = 106418651356800.

The previous prime is 120100012021103. The next prime is 120100012021147. The reversal of 120100012021121 is 121120210001021.

It is a cyclic number.

It is not a de Polignac number, because 120100012021121 - 2¹⁰ = 120100012020097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120100012021096 and 120100012021105.

It is not an unprimeable number, because it can be changed into a prime (120100012021021) 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, 124777946 + ... + 125736771.

It is an arithmetic number, because the mean of its divisors is an integer number (8396251288488).

Almost surely, 2^{120100012021121} is an apocalyptic number.

120100012021121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120100012021121 is a deficient number, since it is larger than the sum of its proper divisors (14240008594687).

120100012021121 is a wasteful number, since it uses less digits than its factorization.

120100012021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250515832.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120100012021121 its reverse (121120210001021), we get a palindrome (241220222022142).

The spelling of 120100012021121 in words is "one hundred twenty trillion, one hundred billion, twelve million, twenty-one thousand, one hundred twenty-one".