331122302120101 has 4 divisors (see below), whose sum is σ = 350600084597772. Its totient is φ = 311644519642432.

The previous prime is 331122302120069. The next prime is 331122302120117. The reversal of 331122302120101 is 101021203221133.

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 221958568179076 + 109163733941025 = 14898274^2 + 10448145^2 .

It is a cyclic number.

It is not a de Polignac number, because 331122302120101 - 2⁵ = 331122302120069 is a prime.

It is a super-2 number, since 2×331122302120101² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331122302126101) 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, 9738891238810 + ... + 9738891238843.

It is an arithmetic number, because the mean of its divisors is an integer number (87650021149443).

Almost surely, 2^{331122302120101} is an apocalyptic number.

It is an amenable number.

331122302120101 is a deficient number, since it is larger than the sum of its proper divisors (19477782477671).

331122302120101 is a wasteful number, since it uses less digits than its factorization.

331122302120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19477782477670.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 331122302120101 its reverse (101021203221133), we get a palindrome (432143505341234).

The spelling of 331122302120101 in words is "three hundred thirty-one trillion, one hundred twenty-two billion, three hundred two million, one hundred twenty thousand, one hundred one".