1011403122122 has 4 divisors (see below), whose sum is σ = 1517104683186. Its totient is φ = 505701561060.

The previous prime is 1011403122109. The next prime is 1011403122131. The reversal of 1011403122122 is 2212213041101.

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

It can be written as a sum of positive squares in only one way, i.e., 727419646321 + 283983475801 = 852889^2 + 532901^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1011403122094 and 1011403122103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252850780529 + ... + 252850780532.

Almost surely, 2^{1011403122122} is an apocalyptic number.

1011403122122 is a deficient number, since it is larger than the sum of its proper divisors (505701561064).

1011403122122 is an equidigital number, since it uses as much as digits as its factorization.

1011403122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505701561063.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1011403122122 its reverse (2212213041101), we get a palindrome (3223616163223).

The spelling of 1011403122122 in words is "one trillion, eleven billion, four hundred three million, one hundred twenty-two thousand, one hundred twenty-two".