121010201191 has 8 divisors (see below), whose sum is σ = 132046765200. Its totient is φ = 109979576640.

The previous prime is 121010201131. The next prime is 121010201203. The reversal of 121010201191 is 191102010121.

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

It is a cyclic number.

It is not a de Polignac number, because 121010201191 - 2¹⁵ = 121010168423 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 (121010201131) 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, 1442206 + ... + 1523803.

It is an arithmetic number, because the mean of its divisors is an integer number (16505845650).

Almost surely, 2^121010201191 is an apocalyptic number.

121010201191 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121010201191 is a deficient number, since it is larger than the sum of its proper divisors (11036564009).

121010201191 is a wasteful number, since it uses less digits than its factorization.

121010201191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969729.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 121010201191 in words is "one hundred twenty-one billion, ten million, two hundred one thousand, one hundred ninety-one".