121112201202101 has 4 divisors (see below), whose sum is σ = 121124062166304. Its totient is φ = 121100340237900.

The previous prime is 121112201202037. The next prime is 121112201202173. The reversal of 121112201202101 is 101202102211121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121112201202101 - 2⁶ = 121112201202037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121112201202101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112201232101) 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, 5930466785 + ... + 5930487206.

It is an arithmetic number, because the mean of its divisors is an integer number (30281015541576).

Almost surely, 2^{121112201202101} is an apocalyptic number.

It is an amenable number.

121112201202101 is a deficient number, since it is larger than the sum of its proper divisors (11860964203).

121112201202101 is a wasteful number, since it uses less digits than its factorization.

121112201202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11860964202.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121112201202101 its reverse (101202102211121), we get a palindrome (222314303413222).

The spelling of 121112201202101 in words is "one hundred twenty-one trillion, one hundred twelve billion, two hundred one million, two hundred two thousand, one hundred one".