103112221535 has 4 divisors (see below), whose sum is σ = 123734665848. Its totient is φ = 82489777224.

The previous prime is 103112221519. The next prime is 103112221591. The reversal of 103112221535 is 535122211301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103112221535 - 2⁴ = 103112221519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10311222149 + ... + 10311222158.

It is an arithmetic number, because the mean of its divisors is an integer number (30933666462).

Almost surely, 2^103112221535 is an apocalyptic number.

103112221535 is a deficient number, since it is larger than the sum of its proper divisors (20622444313).

103112221535 is an equidigital number, since it uses as much as digits as its factorization.

103112221535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20622444312.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 103112221535 its reverse (535122211301), we get a palindrome (638234432836).

The spelling of 103112221535 in words is "one hundred three billion, one hundred twelve million, two hundred twenty-one thousand, five hundred thirty-five".