103121310021231 has 8 divisors (see below), whose sum is σ = 137549148099840. Its totient is φ = 68720505978392.

The previous prime is 103121310021209. The next prime is 103121310021307. The reversal of 103121310021231 is 132120013121301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103121310021231 - 2¹³ = 103121310013039 is a prime.

It is a super-2 number, since 2×103121310021231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103121310021198 and 103121310021207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103121310021031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6758500041 + ... + 6758515298.

It is an arithmetic number, because the mean of its divisors is an integer number (17193643512480).

Almost surely, 2^{103121310021231} is an apocalyptic number.

103121310021231 is a deficient number, since it is larger than the sum of its proper divisors (34427838078609).

103121310021231 is a wasteful number, since it uses less digits than its factorization.

103121310021231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13517017885.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 103121310021231 its reverse (132120013121301), we get a palindrome (235241323142532).

The spelling of 103121310021231 in words is "one hundred three trillion, one hundred twenty-one billion, three hundred ten million, twenty-one thousand, two hundred thirty-one".