1101020211091 has 8 divisors (see below), whose sum is σ = 1124326468080. Its totient is φ = 1077807742752.

The previous prime is 1101020211047. The next prime is 1101020211113. The reversal of 1101020211091 is 1901120201011.

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 1101020211091 - 2¹¹ = 1101020209043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101020215091) 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 7 ways as a sum of consecutive naturals, for example, 23423436 + ... + 23470393.

It is an arithmetic number, because the mean of its divisors is an integer number (140540808510).

Almost surely, 2^{1101020211091} is an apocalyptic number.

1101020211091 is a deficient number, since it is larger than the sum of its proper divisors (23306256989).

1101020211091 is an equidigital number, since it uses as much as digits as its factorization.

1101020211091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46894325.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 1101020211091 in words is "one trillion, one hundred one billion, twenty million, two hundred eleven thousand, ninety-one".