1021220010233 has 2 divisors, whose sum is σ = 1021220010234. Its totient is φ = 1021220010232.

The previous prime is 1021220010211. The next prime is 1021220010313. The reversal of 1021220010233 is 3320100221201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 738582110464 + 282637899769 = 859408^2 + 531637^2 .

It is an emirp because it is prime and its reverse (3320100221201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021220010233 - 2⁶ = 1021220010169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021220010203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510610005116 + 510610005117.

It is an arithmetic number, because the mean of its divisors is an integer number (510610005117).

Almost surely, 2^{1021220010233} is an apocalyptic number.

It is an amenable number.

1021220010233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021220010233 is an equidigital number, since it uses as much as digits as its factorization.

1021220010233 is an evil number, because the sum of its binary digits is even.

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

Adding to 1021220010233 its reverse (3320100221201), we get a palindrome (4341320231434).

The spelling of 1021220010233 in words is "one trillion, twenty-one billion, two hundred twenty million, ten thousand, two hundred thirty-three".