10221312302 has 4 divisors (see below), whose sum is σ = 15331968456. Its totient is φ = 5110656150.

The previous prime is 10221312293. The next prime is 10221312307. The reversal of 10221312302 is 20321312201.

10221312302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221312307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555328074 + ... + 2555328077.

It is an arithmetic number, because the mean of its divisors is an integer number (3832992114).

Almost surely, 2^10221312302 is an apocalyptic number.

10221312302 is a deficient number, since it is larger than the sum of its proper divisors (5110656154).

10221312302 is an equidigital number, since it uses as much as digits as its factorization.

10221312302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110656153.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10221312302 its reverse (20321312201), we get a palindrome (30542624503).

The spelling of 10221312302 in words is "ten billion, two hundred twenty-one million, three hundred twelve thousand, three hundred two".