1102002020191 has 16 divisors (see below), whose sum is σ = 1134744720480. Its totient is φ = 1069717667200.

The previous prime is 1102002020183. The next prime is 1102002020201. The reversal of 1102002020191 is 1910202002011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1102002020191 - 2³ = 1102002020183 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 (1102002020891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7274700 + ... + 7424638.

It is an arithmetic number, because the mean of its divisors is an integer number (70921545030).

Almost surely, 2^{1102002020191} is an apocalyptic number.

1102002020191 is a deficient number, since it is larger than the sum of its proper divisors (32742700289).

1102002020191 is a wasteful number, since it uses less digits than its factorization.

1102002020191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151466.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 1102002020191 in words is "one trillion, one hundred two billion, two million, twenty thousand, one hundred ninety-one".