1011422203 has 4 divisors (see below), whose sum is σ = 1103369688. Its totient is φ = 919474720.

The previous prime is 1011422179. The next prime is 1011422219. The reversal of 1011422203 is 3022241101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011422203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011422233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45973726 + ... + 45973747.

It is an arithmetic number, because the mean of its divisors is an integer number (275842422).

Almost surely, 2^1011422203 is an apocalyptic number.

1011422203 is a deficient number, since it is larger than the sum of its proper divisors (91947485).

1011422203 is an equidigital number, since it uses as much as digits as its factorization.

1011422203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91947484.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1011422203 is about 31802.8646980111. The cubic root of 1011422203 is about 1003.7929959917.

Adding to 1011422203 its reverse (3022241101), we get a palindrome (4033663304).

The spelling of 1011422203 in words is "one billion, eleven million, four hundred twenty-two thousand, two hundred three".