101312422121 has 4 divisors (see below), whose sum is σ = 101314347600. Its totient is φ = 101310496644.

The previous prime is 101312422109. The next prime is 101312422139. The reversal of 101312422121 is 121224213101.

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 101312422121 - 2²² = 101308227817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101312422093 and 101312422102.

It is not an unprimeable number, because it can be changed into a prime (101312422021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881531 + ... + 989808.

It is an arithmetic number, because the mean of its divisors is an integer number (25328586900).

Almost surely, 2^101312422121 is an apocalyptic number.

It is an amenable number.

101312422121 is a deficient number, since it is larger than the sum of its proper divisors (1925479).

101312422121 is an equidigital number, since it uses as much as digits as its factorization.

101312422121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925478.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 101312422121 its reverse (121224213101), we get a palindrome (222536635222).

The spelling of 101312422121 in words is "one hundred one billion, three hundred twelve million, four hundred twenty-two thousand, one hundred twenty-one".