121112130200101 has 4 divisors (see below), whose sum is σ = 121116168781900. Its totient is φ = 121108091618304.

The previous prime is 121112130200069. The next prime is 121112130200213. The reversal of 121112130200101 is 101002031211121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54553439160900 + 66558691039201 = 7386030^2 + 8158351^2 .

It is a cyclic number.

It is not a de Polignac number, because 121112130200101 - 2⁵ = 121112130200069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112130200801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2019245916 + ... + 2019305893.

It is an arithmetic number, because the mean of its divisors is an integer number (30279042195475).

Almost surely, 2^{121112130200101} is an apocalyptic number.

It is an amenable number.

121112130200101 is a deficient number, since it is larger than the sum of its proper divisors (4038581799).

121112130200101 is an equidigital number, since it uses as much as digits as its factorization.

121112130200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038581798.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 121112130200101 its reverse (101002031211121), we get a palindrome (222114161411222).

The spelling of 121112130200101 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred thirty million, two hundred thousand, one hundred one".