1011212211122 has 8 divisors (see below), whose sum is σ = 1519113051372. Its totient is φ = 504841194000.

The previous prime is 1011212211103. The next prime is 1011212211127. The reversal of 1011212211122 is 2211122121101.

It can be written as a sum of positive squares in 2 ways, for example, as 1011173036041 + 39175081 = 1005571^2 + 6259^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1011212211122.

It is not an unprimeable number, because it can be changed into a prime (1011212211127) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 382454129 + ... + 382456772.

Almost surely, 2^{1011212211122} is an apocalyptic number.

1011212211122 is a deficient number, since it is larger than the sum of its proper divisors (507900840250).

1011212211122 is an equidigital number, since it uses as much as digits as its factorization.

1011212211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764911564.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1011212211122 its reverse (2211122121101), we get a palindrome (3222334332223).

The spelling of 1011212211122 in words is "one trillion, eleven billion, two hundred twelve million, two hundred eleven thousand, one hundred twenty-two".