101420311121 has 4 divisors (see below), whose sum is σ = 102100984500. Its totient is φ = 100739637744.

The previous prime is 101420311079. The next prime is 101420311193. The reversal of 101420311121 is 121113024101.

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 3553948225 + 97866362896 = 59615^2 + 312836^2 .

It is a cyclic number.

It is not a de Polignac number, because 101420311121 - 2¹⁰ = 101420310097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101420311121.

It is not an unprimeable number, because it can be changed into a prime (101420311921) 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, 340336466 + ... + 340336763.

It is an arithmetic number, because the mean of its divisors is an integer number (25525246125).

Almost surely, 2^101420311121 is an apocalyptic number.

It is an amenable number.

101420311121 is a deficient number, since it is larger than the sum of its proper divisors (680673379).

101420311121 is an equidigital number, since it uses as much as digits as its factorization.

101420311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680673378.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 101420311121 its reverse (121113024101), we get a palindrome (222533335222).

The spelling of 101420311121 in words is "one hundred one billion, four hundred twenty million, three hundred eleven thousand, one hundred twenty-one".