1102021223123 has 2 divisors, whose sum is σ = 1102021223124. Its totient is φ = 1102021223122.

The previous prime is 1102021223111. The next prime is 1102021223131. The reversal of 1102021223123 is 3213221202011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102021223123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102021223095 and 1102021223104.

It is not a weakly prime, because it can be changed into another prime (1102021222123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551010611561 + 551010611562.

It is an arithmetic number, because the mean of its divisors is an integer number (551010611562).

Almost surely, 2^{1102021223123} is an apocalyptic number.

1102021223123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102021223123 is an equidigital number, since it uses as much as digits as its factorization.

1102021223123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1102021223123 its reverse (3213221202011), we get a palindrome (4315242425134).

The spelling of 1102021223123 in words is "one trillion, one hundred two billion, twenty-one million, two hundred twenty-three thousand, one hundred twenty-three".