1010223542129 has 4 divisors (see below), whose sum is σ = 1010509809060. Its totient is φ = 1009937275200.

The previous prime is 1010223542117. The next prime is 1010223542171. The reversal of 1010223542129 is 9212453220101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 344596002529 + 665627539600 = 587023^2 + 815860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010223542129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1010223542095 and 1010223542104.

It is not an unprimeable number, because it can be changed into a prime (1010223542179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143128172 + ... + 143135229.

It is an arithmetic number, because the mean of its divisors is an integer number (252627452265).

Almost surely, 2^{1010223542129} is an apocalyptic number.

It is an amenable number.

1010223542129 is a deficient number, since it is larger than the sum of its proper divisors (286266931).

1010223542129 is an equidigital number, since it uses as much as digits as its factorization.

1010223542129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286266930.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 1010223542129 in words is "one trillion, ten billion, two hundred twenty-three million, five hundred forty-two thousand, one hundred twenty-nine".