1023111421229 has 2 divisors, whose sum is σ = 1023111421230. Its totient is φ = 1023111421228.

The previous prime is 1023111421183. The next prime is 1023111421231. The reversal of 1023111421229 is 9221241113201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 997397695204 + 25713726025 = 998698^2 + 160355^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023111421229 - 2⁸ = 1023111420973 is a prime.

Together with 1023111421231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023111421429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511555710614 + 511555710615.

It is an arithmetic number, because the mean of its divisors is an integer number (511555710615).

Almost surely, 2^{1023111421229} is an apocalyptic number.

It is an amenable number.

1023111421229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023111421229 is an equidigital number, since it uses as much as digits as its factorization.

1023111421229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 1023111421229 in words is "one trillion, twenty-three billion, one hundred eleven million, four hundred twenty-one thousand, two hundred twenty-nine".