121112002112101 has 16 divisors (see below), whose sum is σ = 162611918921088. Its totient is φ = 87113527992000.

The previous prime is 121112002112033. The next prime is 121112002112113. The reversal of 121112002112101 is 101211200211121.

It is a cyclic number.

It is not a de Polignac number, because 121112002112101 - 2⁴³ = 112315909089893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112002112401) 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, 60495504550 + ... + 60495506551.

It is an arithmetic number, because the mean of its divisors is an integer number (10163244932568).

Almost surely, 2^{121112002112101} is an apocalyptic number.

121112002112101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121112002112101 is a deficient number, since it is larger than the sum of its proper divisors (41499916808987).

121112002112101 is a wasteful number, since it uses less digits than its factorization.

121112002112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120991011132.

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

Adding to 121112002112101 its reverse (101211200211121), we get a palindrome (222323202323222).

The spelling of 121112002112101 in words is "one hundred twenty-one trillion, one hundred twelve billion, two million, one hundred twelve thousand, one hundred one".