1023221211293 has 2 divisors, whose sum is σ = 1023221211294. Its totient is φ = 1023221211292.

The previous prime is 1023221211253. The next prime is 1023221211349. The reversal of 1023221211293 is 3921121223201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 829798930489 + 193422280804 = 910933^2 + 439798^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023221211293 - 2⁸ = 1023221211037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023221211253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511610605646 + 511610605647.

It is an arithmetic number, because the mean of its divisors is an integer number (511610605647).

Almost surely, 2^{1023221211293} is an apocalyptic number.

It is an amenable number.

1023221211293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023221211293 is an equidigital number, since it uses as much as digits as its factorization.

1023221211293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 1023221211293 its reverse (3921121223201), we get a palindrome (4944342434494).

The spelling of 1023221211293 in words is "one trillion, twenty-three billion, two hundred twenty-one million, two hundred eleven thousand, two hundred ninety-three".