1020421141199 has 2 divisors, whose sum is σ = 1020421141200. Its totient is φ = 1020421141198.

The previous prime is 1020421141151. The next prime is 1020421141249. The reversal of 1020421141199 is 9911411240201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020421141199 - 2⁸ = 1020421140943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020421141109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510210570599 + 510210570600.

It is an arithmetic number, because the mean of its divisors is an integer number (510210570600).

Almost surely, 2^{1020421141199} is an apocalyptic number.

1020421141199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020421141199 is an equidigital number, since it uses as much as digits as its factorization.

1020421141199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 1020421141199 in words is "one trillion, twenty billion, four hundred twenty-one million, one hundred forty-one thousand, one hundred ninety-nine".