1020223001129 has 2 divisors, whose sum is σ = 1020223001130. Its totient is φ = 1020223001128.

The previous prime is 1020223001099. The next prime is 1020223001131. The reversal of 1020223001129 is 9211003220201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556941301225 + 463281699904 = 746285^2 + 680648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020223001129 is a prime.

Together with 1020223001131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1020223001179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510111500564 + 510111500565.

It is an arithmetic number, because the mean of its divisors is an integer number (510111500565).

Almost surely, 2^{1020223001129} is an apocalyptic number.

It is an amenable number.

1020223001129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020223001129 is an equidigital number, since it uses as much as digits as its factorization.

1020223001129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 1020223001129 in words is "one trillion, twenty billion, two hundred twenty-three million, one thousand, one hundred twenty-nine".