121100169 has 8 divisors (see below), whose sum is σ = 165222112. Its totient is φ = 78855840.

The previous prime is 121100159. The next prime is 121100171. The reversal of 121100169 is 961001121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121100169 - 2¹³ = 121091977 is a prime.

It is a super-2 number, since 2×121100169² = 29330501863657122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469252 + ... + 469509.

It is an arithmetic number, because the mean of its divisors is an integer number (20652764).

Almost surely, 2^121100169 is an apocalyptic number.

It is an amenable number.

121100169 is a deficient number, since it is larger than the sum of its proper divisors (44121943).

121100169 is an equidigital number, since it uses as much as digits as its factorization.

121100169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938807.

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 121100169 is about 11004.5521944330. The cubic root of 121100169 is about 494.7451928040.

The spelling of 121100169 in words is "one hundred twenty-one million, one hundred thousand, one hundred sixty-nine".