1022121212103 has 8 divisors (see below), whose sum is σ = 1514253647600. Its totient is φ = 681414141384.

The previous prime is 1022121212083. The next prime is 1022121212107. The reversal of 1022121212103 is 3012121212201.

It is not a de Polignac number, because 1022121212103 - 2⁹ = 1022121211591 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 (1022121212107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18928170568 + ... + 18928170621.

It is an arithmetic number, because the mean of its divisors is an integer number (189281705950).

Almost surely, 2^{1022121212103} is an apocalyptic number.

1022121212103 is a deficient number, since it is larger than the sum of its proper divisors (492132435497).

1022121212103 is an equidigital number, since it uses as much as digits as its factorization.

1022121212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37856341198 (or 37856341192 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1022121212103 its reverse (3012121212201), we get a palindrome (4034242424304).

The spelling of 1022121212103 in words is "one trillion, twenty-two billion, one hundred twenty-one million, two hundred twelve thousand, one hundred three".