1010221152823 has 2 divisors, whose sum is σ = 1010221152824. Its totient is φ = 1010221152822.

The previous prime is 1010221152803. The next prime is 1010221152851. The reversal of 1010221152823 is 3282511220101.

It is an a-pointer prime, because the next prime (1010221152851) can be obtained adding 1010221152823 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (3282511220101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010221152823 is a prime.

It is a super-2 number, since 2×1010221152823² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010221152791 and 1010221152800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010221152803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505110576411 + 505110576412.

It is an arithmetic number, because the mean of its divisors is an integer number (505110576412).

Almost surely, 2^{1010221152823} is an apocalyptic number.

1010221152823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010221152823 is an equidigital number, since it uses as much as digits as its factorization.

1010221152823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 1010221152823 its reverse (3282511220101), we get a palindrome (4292732372924).

The spelling of 1010221152823 in words is "one trillion, ten billion, two hundred twenty-one million, one hundred fifty-two thousand, eight hundred twenty-three".