1021110222103 has 16 divisors (see below), whose sum is σ = 1040904000000. Its totient is φ = 1001400799392.

The previous prime is 1021110222091. The next prime is 1021110222133. The reversal of 1021110222103 is 3012220111201.

It is a cyclic number.

It is not a de Polignac number, because 1021110222103 - 2²⁹ = 1020573351191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021110222133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143632713 + ... + 143639821.

It is an arithmetic number, because the mean of its divisors is an integer number (65056500000).

Almost surely, 2^{1021110222103} is an apocalyptic number.

1021110222103 is a deficient number, since it is larger than the sum of its proper divisors (19793777897).

1021110222103 is an equidigital number, since it uses as much as digits as its factorization.

1021110222103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12654.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1021110222103 its reverse (3012220111201), we get a palindrome (4033330333304).

The spelling of 1021110222103 in words is "one trillion, twenty-one billion, one hundred ten million, two hundred twenty-two thousand, one hundred three".