1201012110191 has 8 divisors (see below), whose sum is σ = 1227020140800. Its totient is φ = 1175023020568.

The previous prime is 1201012110187. The next prime is 1201012110203. The reversal of 1201012110191 is 1910112101021.

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 1201012110191 - 2² = 1201012110187 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 (1201012110121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4607021 + ... + 4860726.

It is an arithmetic number, because the mean of its divisors is an integer number (153377517600).

Almost surely, 2^{1201012110191} is an apocalyptic number.

1201012110191 is a deficient number, since it is larger than the sum of its proper divisors (26008030609).

1201012110191 is an equidigital number, since it uses as much as digits as its factorization.

1201012110191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9470493.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 1201012110191 in words is "one trillion, two hundred one billion, twelve million, one hundred ten thousand, one hundred ninety-one".