10112221121011 has 4 divisors (see below), whose sum is σ = 10113303461632. Its totient is φ = 10111138780392.

The previous prime is 10112221120999. The next prime is 10112221121029. The reversal of 10112221121011 is 11012112221101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10112221121011 - 2¹⁵ = 10112221088243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10112221121071) 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 3 ways as a sum of consecutive naturals, for example, 541156296 + ... + 541174981.

It is an arithmetic number, because the mean of its divisors is an integer number (2528325865408).

Almost surely, 2^{10112221121011} is an apocalyptic number.

10112221121011 is a deficient number, since it is larger than the sum of its proper divisors (1082340621).

10112221121011 is an equidigital number, since it uses as much as digits as its factorization.

10112221121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082340620.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 10112221121011 its reverse (11012112221101), we get a palindrome (21124333342112).

The spelling of 10112221121011 in words is "ten trillion, one hundred twelve billion, two hundred twenty-one million, one hundred twenty-one thousand, eleven".