353720112222101 has 4 divisors (see below), whose sum is σ = 353822313933804. Its totient is φ = 353617910510400.

The previous prime is 353720112222089. The next prime is 353720112222163. The reversal of 353720112222101 is 101222211027353.

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 175714510390225 + 178005601831876 = 13255735^2 + 13341874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-353720112222101 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 (353720112222601) 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, 51100850660 + ... + 51100857581.

It is an arithmetic number, because the mean of its divisors is an integer number (88455578483451).

Almost surely, 2^{353720112222101} is an apocalyptic number.

It is an amenable number.

353720112222101 is a deficient number, since it is larger than the sum of its proper divisors (102201711703).

353720112222101 is a wasteful number, since it uses less digits than its factorization.

353720112222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102201711702.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 353720112222101 its reverse (101222211027353), we get a palindrome (454942323249454).

The spelling of 353720112222101 in words is "three hundred fifty-three trillion, seven hundred twenty billion, one hundred twelve million, two hundred twenty-two thousand, one hundred one".