100011012221011 has 4 divisors (see below), whose sum is σ = 105894012939912. Its totient is φ = 94128011502112.

The previous prime is 100011012220997. The next prime is 100011012221053. The reversal of 100011012221011 is 110122210110001.

It is a happy number.

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 100011012221011 - 2¹¹ = 100011012218963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100011012220982 and 100011012221000.

It is not an unprimeable number, because it can be changed into a prime (100011012221311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2941500359425 + ... + 2941500359458.

It is an arithmetic number, because the mean of its divisors is an integer number (26473503234978).

Almost surely, 2^{100011012221011} is an apocalyptic number.

100011012221011 is a deficient number, since it is larger than the sum of its proper divisors (5883000718901).

100011012221011 is an equidigital number, since it uses as much as digits as its factorization.

100011012221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5883000718900.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100011012221011 its reverse (110122210110001), we get a palindrome (210133222331012).

The spelling of 100011012221011 in words is "one hundred trillion, eleven billion, twelve million, two hundred twenty-one thousand, eleven".