121106366 has 4 divisors (see below), whose sum is σ = 181659552. Its totient is φ = 60553182.

The previous prime is 121106353. The next prime is 121106369. The reversal of 121106366 is 663601121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 663601121 = 199 ⋅3334679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121106369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30276590 + ... + 30276593.

It is an arithmetic number, because the mean of its divisors is an integer number (45414888).

Almost surely, 2^121106366 is an apocalyptic number.

121106366 is a deficient number, since it is larger than the sum of its proper divisors (60553186).

121106366 is an equidigital number, since it uses as much as digits as its factorization.

121106366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60553185.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 121106366 is about 11004.8337561274. The cubic root of 121106366 is about 494.7536317783.

Adding to 121106366 its reverse (663601121), we get a palindrome (784707487).

The spelling of 121106366 in words is "one hundred twenty-one million, one hundred six thousand, three hundred sixty-six".