1021222313103 has 4 divisors (see below), whose sum is σ = 1361629750808. Its totient is φ = 680814875400.

The previous prime is 1021222313099. The next prime is 1021222313119. The reversal of 1021222313103 is 3013132221201.

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

It is not a de Polignac number, because 1021222313103 - 2² = 1021222313099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021222313103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021222313173) 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, 170203718848 + ... + 170203718853.

It is an arithmetic number, because the mean of its divisors is an integer number (340407437702).

Almost surely, 2^{1021222313103} is an apocalyptic number.

1021222313103 is a deficient number, since it is larger than the sum of its proper divisors (340407437705).

1021222313103 is an equidigital number, since it uses as much as digits as its factorization.

1021222313103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340407437704.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1021222313103 its reverse (3013132221201), we get a palindrome (4034354534304).

The spelling of 1021222313103 in words is "one trillion, twenty-one billion, two hundred twenty-two million, three hundred thirteen thousand, one hundred three".