50122121141353 has 4 divisors (see below), whose sum is σ = 51738963758848. Its totient is φ = 48505278523860.

The previous prime is 50122121141299. The next prime is 50122121141357. The reversal of 50122121141353 is 35314112122105.

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 50122121141353 - 2⁹ = 50122121140841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1616842617463 = 50122121141353 / (5 + 0 + 1 + 2 + 2 + 1 + 2 + 1 + 1 + 4 + 1 + 3 + 5 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50122121141357) 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, 808421308701 + ... + 808421308762.

It is an arithmetic number, because the mean of its divisors is an integer number (12934740939712).

Almost surely, 2^{50122121141353} is an apocalyptic number.

It is an amenable number.

50122121141353 is a deficient number, since it is larger than the sum of its proper divisors (1616842617495).

50122121141353 is a wasteful number, since it uses less digits than its factorization.

50122121141353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616842617494.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 50122121141353 its reverse (35314112122105), we get a palindrome (85436233263458).

The spelling of 50122121141353 in words is "fifty trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred forty-one thousand, three hundred fifty-three".