1010231212321 has 4 divisors (see below), whose sum is σ = 1013045227200. Its totient is φ = 1007417197444.

The previous prime is 1010231212307. The next prime is 1010231212343. The reversal of 1010231212321 is 1232121320101.

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 not a de Polignac number, because 1010231212321 - 2⁹ = 1010231211809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010231222321) 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, 1407006901 + ... + 1407007618.

It is an arithmetic number, because the mean of its divisors is an integer number (253261306800).

Almost surely, 2^{1010231212321} is an apocalyptic number.

It is an amenable number.

1010231212321 is a deficient number, since it is larger than the sum of its proper divisors (2814014879).

1010231212321 is an equidigital number, since it uses as much as digits as its factorization.

1010231212321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814014878.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1010231212321 its reverse (1232121320101), we get a palindrome (2242352532422).

The spelling of 1010231212321 in words is "one trillion, ten billion, two hundred thirty-one million, two hundred twelve thousand, three hundred twenty-one".