121010901 has 32 divisors (see below), whose sum is σ = 182020608. Its totient is φ = 70875840.

The previous prime is 121010899. The next prime is 121010917. The reversal of 121010901 is 109010121.

It is not a de Polignac number, because 121010901 - 2¹ = 121010899 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010921) 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 31 ways as a sum of consecutive naturals, for example, 151435 + ... + 152231.

It is an arithmetic number, because the mean of its divisors is an integer number (5688144).

Almost surely, 2^121010901 is an apocalyptic number.

121010901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121010901 is a deficient number, since it is larger than the sum of its proper divisors (61009707).

121010901 is a wasteful number, since it uses less digits than its factorization.

121010901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 121010901 is about 11000.4954888405. The cubic root of 121010901 is about 494.6235971293.

The spelling of 121010901 in words is "one hundred twenty-one million, ten thousand, nine hundred one".