1102011220191 has 64 divisors (see below), whose sum is σ = 1784424038400. Its totient is φ = 590552495616.

The previous prime is 1102011220151. The next prime is 1102011220237. The reversal of 1102011220191 is 1910221102011.

It is not a de Polignac number, because 1102011220191 - 2¹⁵ = 1102011187423 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 (1102011220111) 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 63 ways as a sum of consecutive naturals, for example, 122946676 + ... + 122955638.

It is an arithmetic number, because the mean of its divisors is an integer number (27881625600).

Almost surely, 2^{1102011220191} is an apocalyptic number.

1102011220191 is a deficient number, since it is larger than the sum of its proper divisors (682412818209).

1102011220191 is a wasteful number, since it uses less digits than its factorization.

1102011220191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10188.

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

The spelling of 1102011220191 in words is "one trillion, one hundred two billion, eleven million, two hundred twenty thousand, one hundred ninety-one".