1224243146101 has 2 divisors, whose sum is σ = 1224243146102. Its totient is φ = 1224243146100.

The previous prime is 1224243146083. The next prime is 1224243146141. The reversal of 1224243146101 is 1016413424221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1200711892900 + 23531253201 = 1095770^2 + 153399^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224243146101 - 2¹⁷ = 1224243015029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224243146141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612121573050 + 612121573051.

It is an arithmetic number, because the mean of its divisors is an integer number (612121573051).

Almost surely, 2^{1224243146101} is an apocalyptic number.

It is an amenable number.

1224243146101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224243146101 is an equidigital number, since it uses as much as digits as its factorization.

1224243146101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 1224243146101 in words is "one trillion, two hundred twenty-four billion, two hundred forty-three million, one hundred forty-six thousand, one hundred one".