101222013121 has 4 divisors (see below), whose sum is σ = 101547486144. Its totient is φ = 100896540100.

The previous prime is 101222013089. The next prime is 101222013131. The reversal of 101222013121 is 121310222101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101222013121 - 2⁵ = 101222013089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101222013095 and 101222013104.

It is not an unprimeable number, because it can be changed into a prime (101222013131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162736045 + ... + 162736666.

It is an arithmetic number, because the mean of its divisors is an integer number (25386871536).

Almost surely, 2^101222013121 is an apocalyptic number.

It is an amenable number.

101222013121 is a deficient number, since it is larger than the sum of its proper divisors (325473023).

101222013121 is an equidigital number, since it uses as much as digits as its factorization.

101222013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325473022.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 101222013121 its reverse (121310222101), we get a palindrome (222532235222).

The spelling of 101222013121 in words is "one hundred one billion, two hundred twenty-two million, thirteen thousand, one hundred twenty-one".