120011012100121 has 16 divisors (see below), whose sum is σ = 120857965459200. Its totient is φ = 119164621055040.

The previous prime is 120011012100113. The next prime is 120011012100137. The reversal of 120011012100121 is 121001210110021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120011012100121 - 2³ = 120011012100113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120011012100821) 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, 7984225876 + ... + 7984240906.

It is an arithmetic number, because the mean of its divisors is an integer number (7553622841200).

Almost surely, 2^{120011012100121} is an apocalyptic number.

It is an amenable number.

120011012100121 is a deficient number, since it is larger than the sum of its proper divisors (846953359079).

120011012100121 is a wasteful number, since it uses less digits than its factorization.

120011012100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30024.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120011012100121 its reverse (121001210110021), we get a palindrome (241012222210142).

The spelling of 120011012100121 in words is "one hundred twenty trillion, eleven billion, twelve million, one hundred thousand, one hundred twenty-one".