1023211130321 has 4 divisors (see below), whose sum is σ = 1023550057200. Its totient is φ = 1022872203444.

The previous prime is 1023211130311. The next prime is 1023211130399. The reversal of 1023211130321 is 1230311123201.

It is a happy number.

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 1023211130321 - 2⁶ = 1023211130257 is a prime.

It is a super-2 number, since 2×1023211130321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023211130293 and 1023211130302.

It is not an unprimeable number, because it can be changed into a prime (1023211130311) 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, 169458911 + ... + 169464948.

It is an arithmetic number, because the mean of its divisors is an integer number (255887514300).

Almost surely, 2^{1023211130321} is an apocalyptic number.

It is an amenable number.

1023211130321 is a deficient number, since it is larger than the sum of its proper divisors (338926879).

1023211130321 is an equidigital number, since it uses as much as digits as its factorization.

1023211130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338926878.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1023211130321 its reverse (1230311123201), we get a palindrome (2253522253522).

The spelling of 1023211130321 in words is "one trillion, twenty-three billion, two hundred eleven million, one hundred thirty thousand, three hundred twenty-one".