1121102002191 has 8 divisors (see below), whose sum is σ = 1494811577520. Its totient is φ = 747396880832.

The previous prime is 1121102002177. The next prime is 1121102002201. The reversal of 1121102002191 is 1912002011211.

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 1121102002191 - 2⁷ = 1121102002063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121102002171) 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, 473646 + ... + 1570523.

It is an arithmetic number, because the mean of its divisors is an integer number (186851447190).

Almost surely, 2^{1121102002191} is an apocalyptic number.

1121102002191 is a deficient number, since it is larger than the sum of its proper divisors (373709575329).

1121102002191 is a wasteful number, since it uses less digits than its factorization.

1121102002191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226985.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 1121102002191 in words is "one trillion, one hundred twenty-one billion, one hundred two million, two thousand, one hundred ninety-one".