1111022002191 has 16 divisors (see below), whose sum is σ = 1568540181600. Its totient is φ = 697094719488.

The previous prime is 1111022002127. The next prime is 1111022002201. The reversal of 1111022002191 is 1912002201111.

It is not a de Polignac number, because 1111022002191 - 2⁶ = 1111022002127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111022003191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2018455 + ... + 2509223.

It is an arithmetic number, because the mean of its divisors is an integer number (98033761350).

Almost surely, 2^{1111022002191} is an apocalyptic number.

1111022002191 is a deficient number, since it is larger than the sum of its proper divisors (457518179409).

1111022002191 is a wasteful number, since it uses less digits than its factorization.

1111022002191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535178.

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

The spelling of 1111022002191 in words is "one trillion, one hundred eleven billion, twenty-two million, two thousand, one hundred ninety-one".