1021422002429 has 2 divisors, whose sum is σ = 1021422002430. Its totient is φ = 1021422002428.

The previous prime is 1021422002399. The next prime is 1021422002449. The reversal of 1021422002429 is 9242002241201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 566030522500 + 455391479929 = 752350^2 + 674827^2 .

It is an emirp because it is prime and its reverse (9242002241201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021422002429 - 2⁸ = 1021422002173 is a prime.

It is a super-3 number, since 3×1021422002429³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021422002449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510711001214 + 510711001215.

It is an arithmetic number, because the mean of its divisors is an integer number (510711001215).

Almost surely, 2^{1021422002429} is an apocalyptic number.

It is an amenable number.

1021422002429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021422002429 is an equidigital number, since it uses as much as digits as its factorization.

1021422002429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 1021422002429 in words is "one trillion, twenty-one billion, four hundred twenty-two million, two thousand, four hundred twenty-nine".