1011122221103 has 8 divisors (see below), whose sum is σ = 1023971906880. Its totient is φ = 998273802240.

The previous prime is 1011122221099. The next prime is 1011122221111. The reversal of 1011122221103 is 3011222211101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011122221103 - 2² = 1011122221099 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 (1011122221303) 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, 1344623 + ... + 1957103.

It is an arithmetic number, because the mean of its divisors is an integer number (127996488360).

Almost surely, 2^{1011122221103} is an apocalyptic number.

1011122221103 is a deficient number, since it is larger than the sum of its proper divisors (12849685777).

1011122221103 is an equidigital number, since it uses as much as digits as its factorization.

1011122221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633457.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1011122221103 its reverse (3011222211101), we get a palindrome (4022344432204).

The spelling of 1011122221103 in words is "one trillion, eleven billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred three".