11021110102191 has 16 divisors (see below), whose sum is σ = 16942692651264. Its totient is φ = 6242044658304.

The previous prime is 11021110102129. The next prime is 11021110102217. The reversal of 11021110102191 is 19120101112011.

It is a happy number.

It is not a de Polignac number, because 11021110102191 - 2⁶ = 11021110102127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021110102091) 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, 2322186861 + ... + 2322191606.

It is an arithmetic number, because the mean of its divisors is an integer number (1058918290704).

Almost surely, 2^{11021110102191} is an apocalyptic number.

11021110102191 is a deficient number, since it is larger than the sum of its proper divisors (5921582549073).

11021110102191 is a wasteful number, since it uses less digits than its factorization.

11021110102191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644378590.

The product of its (nonzero) digits is 36, while the sum is 21.

The spelling of 11021110102191 in words is "eleven trillion, twenty-one billion, one hundred ten million, one hundred two thousand, one hundred ninety-one".