101000000222101 has 4 divisors (see below), whose sum is σ = 106941176705772. Its totient is φ = 95058823738432.

The previous prime is 101000000221993. The next prime is 101000000222123. The reversal of 101000000222101 is 101222000000101.

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 77106224430225 + 23893775791876 = 8781015^2 + 4888126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101000000222101 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 (101000000225101) 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, 2970588241810 + ... + 2970588241843.

It is an arithmetic number, because the mean of its divisors is an integer number (26735294176443).

Almost surely, 2^{101000000222101} is an apocalyptic number.

It is an amenable number.

101000000222101 is a deficient number, since it is larger than the sum of its proper divisors (5941176483671).

101000000222101 is an equidigital number, since it uses as much as digits as its factorization.

101000000222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941176483670.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101000000222101 its reverse (101222000000101), we get a palindrome (202222000222202).

It can be divided in two parts, 101000000 and 222101, that added together give a palindrome (101222101).

The spelling of 101000000222101 in words is "one hundred one trillion, two hundred twenty-two thousand, one hundred one".