1142200330421 has 2 divisors, whose sum is σ = 1142200330422. Its totient is φ = 1142200330420.

The previous prime is 1142200330373. The next prime is 1142200330423. The reversal of 1142200330421 is 1240330022411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 889833756100 + 252366574321 = 943310^2 + 502361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142200330421 is a prime.

Together with 1142200330423, 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 (1142200330423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571100165210 + 571100165211.

It is an arithmetic number, because the mean of its divisors is an integer number (571100165211).

Almost surely, 2^{1142200330421} is an apocalyptic number.

It is an amenable number.

1142200330421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142200330421 is an equidigital number, since it uses as much as digits as its factorization.

1142200330421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1142200330421 its reverse (1240330022411), we get a palindrome (2382530352832).

The spelling of 1142200330421 in words is "one trillion, one hundred forty-two billion, two hundred million, three hundred thirty thousand, four hundred twenty-one".