101001222220111 has 4 divisors (see below), whose sum is σ = 101045193150672. Its totient is φ = 100957251289552.

The previous prime is 101001222220097. The next prime is 101001222220127. The reversal of 101001222220111 is 111022222100101.

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 101001222220111 - 2⁷ = 101001222219983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001222227111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21985461835 + ... + 21985466428.

It is an arithmetic number, because the mean of its divisors is an integer number (25261298287668).

Almost surely, 2^{101001222220111} is an apocalyptic number.

101001222220111 is a deficient number, since it is larger than the sum of its proper divisors (43970930561).

101001222220111 is an equidigital number, since it uses as much as digits as its factorization.

101001222220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43970930560.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101001222220111 its reverse (111022222100101), we get a palindrome (212023444320212).

The spelling of 101001222220111 in words is "one hundred one trillion, one billion, two hundred twenty-two million, two hundred twenty thousand, one hundred eleven".