1023303220221 has 8 divisors (see below), whose sum is σ = 1364430805920. Its totient is φ = 682188890672.

The previous prime is 1023303220171. The next prime is 1023303220223. The reversal of 1023303220221 is 1220223033201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023303220221 - 2²⁶ = 1023236111357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023303220223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3132495 + ... + 3443708.

It is an arithmetic number, because the mean of its divisors is an integer number (170553850740).

Almost surely, 2^{1023303220221} is an apocalyptic number.

It is an amenable number.

1023303220221 is a deficient number, since it is larger than the sum of its proper divisors (341127585699).

1023303220221 is an equidigital number, since it uses as much as digits as its factorization.

1023303220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628075.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1023303220221 its reverse (1220223033201), we get a palindrome (2243526253422).

The spelling of 1023303220221 in words is "one trillion, twenty-three billion, three hundred three million, two hundred twenty thousand, two hundred twenty-one".