1011222103 has 4 divisors (see below), whose sum is σ = 1020499480. Its totient is φ = 1001944728.

The previous prime is 1011222031. The next prime is 1011222131. The reversal of 1011222103 is 3012221101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1011222103 - 2²⁹ = 474351191 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 (1011228103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4638525 + ... + 4638742.

It is an arithmetic number, because the mean of its divisors is an integer number (255124870).

Almost surely, 2^1011222103 is an apocalyptic number.

1011222103 is a deficient number, since it is larger than the sum of its proper divisors (9277377).

1011222103 is an equidigital number, since it uses as much as digits as its factorization.

1011222103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9277376.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1011222103 is about 31799.7185993839. The cubic root of 1011222103 is about 1003.7267947471.

Adding to 1011222103 its reverse (3012221101), we get a palindrome (4023443204).

The spelling of 1011222103 in words is "one billion, eleven million, two hundred twenty-two thousand, one hundred three".