121112000201 has 4 divisors (see below), whose sum is σ = 125288276100. Its totient is φ = 116935724304.

The previous prime is 121112000189. The next prime is 121112000203. The reversal of 121112000201 is 102000211121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102000211121 = 31 ⋅3290329391.

It can be written as a sum of positive squares in 2 ways, for example, as 98563974601 + 22548025600 = 313949^2 + 150160^2 .

It is a cyclic number.

It is not a de Polignac number, because 121112000201 - 2²⁶ = 121044891337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121112000203) 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, 2088137906 + ... + 2088137963.

It is an arithmetic number, because the mean of its divisors is an integer number (31322069025).

Almost surely, 2^121112000201 is an apocalyptic number.

It is an amenable number.

121112000201 is a deficient number, since it is larger than the sum of its proper divisors (4176275899).

121112000201 is an equidigital number, since it uses as much as digits as its factorization.

121112000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176275898.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121112000201 its reverse (102000211121), we get a palindrome (223112211322).

The spelling of 121112000201 in words is "one hundred twenty-one billion, one hundred twelve million, two hundred one", and thus it is an aban number.