1021101100223 has 2 divisors, whose sum is σ = 1021101100224. Its totient is φ = 1021101100222.

The previous prime is 1021101100199. The next prime is 1021101100277. The reversal of 1021101100223 is 3220011011201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021101100223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021101100198 and 1021101100207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021101100423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510550550111 + 510550550112.

It is an arithmetic number, because the mean of its divisors is an integer number (510550550112).

Almost surely, 2^{1021101100223} is an apocalyptic number.

1021101100223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021101100223 is an equidigital number, since it uses as much as digits as its factorization.

1021101100223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1021101100223 its reverse (3220011011201), we get a palindrome (4241112111424).

The spelling of 1021101100223 in words is "one trillion, twenty-one billion, one hundred one million, one hundred thousand, two hundred twenty-three".