1011105250211 has 8 divisors (see below), whose sum is σ = 1155708455424. Its totient is φ = 866541944520.

The previous prime is 1011105250189. The next prime is 1011105250217. The reversal of 1011105250211 is 1120525011101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1011105250211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011105250217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9920555 + ... + 10021956.

It is an arithmetic number, because the mean of its divisors is an integer number (144463556928).

Almost surely, 2^{1011105250211} is an apocalyptic number.

1011105250211 is a deficient number, since it is larger than the sum of its proper divisors (144603205213).

1011105250211 is an equidigital number, since it uses as much as digits as its factorization.

1011105250211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19949761.

The product of its (nonzero) digits is 100, while the sum is 20.

The spelling of 1011105250211 in words is "one trillion, eleven billion, one hundred five million, two hundred fifty thousand, two hundred eleven".