1010430042121 has 2 divisors, whose sum is σ = 1010430042122. Its totient is φ = 1010430042120.

The previous prime is 1010430042119. The next prime is 1010430042197. The reversal of 1010430042121 is 1212400340101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1009542657600 + 887384521 = 1004760^2 + 29789^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010430042121 - 2¹ = 1010430042119 is a prime.

Together with 1010430042119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1010430072121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505215021060 + 505215021061.

It is an arithmetic number, because the mean of its divisors is an integer number (505215021061).

Almost surely, 2^{1010430042121} is an apocalyptic number.

It is an amenable number.

1010430042121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010430042121 is an equidigital number, since it uses as much as digits as its factorization.

1010430042121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1010430042121 its reverse (1212400340101), we get a palindrome (2222830382222).

The spelling of 1010430042121 in words is "one trillion, ten billion, four hundred thirty million, forty-two thousand, one hundred twenty-one".