221122000010101 has 4 divisors (see below), whose sum is σ = 221155196533804. Its totient is φ = 221088803486400.

The previous prime is 221122000010039. The next prime is 221122000010113. The reversal of 221122000010101 is 101010000221122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 165125738215876 + 55996261794225 = 12850126^2 + 7483065^2 .

It is a cyclic number.

It is not a de Polignac number, because 221122000010101 - 2³⁷ = 220984561056629 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 (221122000010141) 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, 16598251860 + ... + 16598265181.

It is an arithmetic number, because the mean of its divisors is an integer number (55288799133451).

Almost surely, 2^{221122000010101} is an apocalyptic number.

It is an amenable number.

221122000010101 is a deficient number, since it is larger than the sum of its proper divisors (33196523703).

221122000010101 is an equidigital number, since it uses as much as digits as its factorization.

221122000010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33196523702.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221122000010101 its reverse (101010000221122), we get a palindrome (322132000231223).

The spelling of 221122000010101 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, ten thousand, one hundred one".