103121220033101 has 4 divisors (see below), whose sum is σ = 107604751338912. Its totient is φ = 98637688727292.

The previous prime is 103121220032989. The next prime is 103121220033131. The reversal of 103121220033101 is 101330022121301.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-103121220033101 is a prime.

It is a super-2 number, since 2×103121220033101² (a number of 29 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 (103121220033131) 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, 2241765652871 + ... + 2241765652916.

It is an arithmetic number, because the mean of its divisors is an integer number (26901187834728).

Almost surely, 2^{103121220033101} is an apocalyptic number.

It is an amenable number.

103121220033101 is a deficient number, since it is larger than the sum of its proper divisors (4483531305811).

103121220033101 is an equidigital number, since it uses as much as digits as its factorization.

103121220033101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483531305810.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 103121220033101 its reverse (101330022121301), we get a palindrome (204451242154402).

The spelling of 103121220033101 in words is "one hundred three trillion, one hundred twenty-one billion, two hundred twenty million, thirty-three thousand, one hundred one".