10121222221043 has 2 divisors, whose sum is σ = 10121222221044. Its totient is φ = 10121222221042.

The previous prime is 10121222221009. The next prime is 10121222221073. The reversal of 10121222221043 is 34012222212101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10121222221043 - 2⁸ = 10121222220787 is a prime.

It is not a weakly prime, because it can be changed into another prime (10121222221003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060611110521 + 5060611110522.

It is an arithmetic number, because the mean of its divisors is an integer number (5060611110522).

Almost surely, 2^{10121222221043} is an apocalyptic number.

10121222221043 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121222221043 is an equidigital number, since it uses as much as digits as its factorization.

10121222221043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 10121222221043 its reverse (34012222212101), we get a palindrome (44133444433144).

The spelling of 10121222221043 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-one thousand, forty-three".