1021021002223 has 2 divisors, whose sum is σ = 1021021002224. Its totient is φ = 1021021002222.

The previous prime is 1021021002149. The next prime is 1021021002241. The reversal of 1021021002223 is 3222001201201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3222001201201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021021002223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021021002197 and 1021021002206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021021002263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510510501111 + 510510501112.

It is an arithmetic number, because the mean of its divisors is an integer number (510510501112).

Almost surely, 2^{1021021002223} is an apocalyptic number.

1021021002223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021021002223 is an equidigital number, since it uses as much as digits as its factorization.

1021021002223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1021021002223 its reverse (3222001201201), we get a palindrome (4243022203424).

The spelling of 1021021002223 in words is "one trillion, twenty-one billion, twenty-one million, two thousand, two hundred twenty-three".