1110221210687 has 2 divisors, whose sum is σ = 1110221210688. Its totient is φ = 1110221210686.

The previous prime is 1110221210639. The next prime is 1110221210701. The reversal of 1110221210687 is 7860121220111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1110221210687 - 2¹⁰ = 1110221209663 is a prime.

It is a super-2 number, since 2×1110221210687² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110221210617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555110605343 + 555110605344.

It is an arithmetic number, because the mean of its divisors is an integer number (555110605344).

Almost surely, 2^{1110221210687} is an apocalyptic number.

1110221210687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110221210687 is an equidigital number, since it uses as much as digits as its factorization.

1110221210687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 32.

Adding to 1110221210687 its reverse (7860121220111), we get a palindrome (8970342430798).

The spelling of 1110221210687 in words is "one trillion, one hundred ten billion, two hundred twenty-one million, two hundred ten thousand, six hundred eighty-seven".