121086101 has 4 divisors (see below), whose sum is σ = 121629312. Its totient is φ = 120542892.

The previous prime is 121086073. The next prime is 121086109. The reversal of 121086101 is 101680121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 101680121 = 167 ⋅608863.

It is a cyclic number.

It is not a de Polignac number, because 121086101 - 2¹⁰ = 121085077 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 (121086109) 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, 271271 + ... + 271716.

It is an arithmetic number, because the mean of its divisors is an integer number (30407328).

Almost surely, 2^121086101 is an apocalyptic number.

It is an amenable number.

121086101 is a deficient number, since it is larger than the sum of its proper divisors (543211).

121086101 is an equidigital number, since it uses as much as digits as its factorization.

121086101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543210.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 121086101 is about 11003.9129858428. The cubic root of 121086101 is about 494.7260341605.

The spelling of 121086101 in words is "one hundred twenty-one million, eighty-six thousand, one hundred one".