1011001012122 has 8 divisors (see below), whose sum is σ = 2022002024256. Its totient is φ = 337000337372.

The previous prime is 1011001012117. The next prime is 1011001012127. The reversal of 1011001012122 is 2212101001101.

It is an interprime number because it is at equal distance from previous prime (1011001012117) and next prime (1011001012127).

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

1011001012122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1011001012098 and 1011001012107.

It is not an unprimeable number, because it can be changed into a prime (1011001012127) 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, 84250084338 + ... + 84250084349.

It is an arithmetic number, because the mean of its divisors is an integer number (252750253032).

Almost surely, 2^{1011001012122} is an apocalyptic number.

1011001012122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011001012122 is a wasteful number, since it uses less digits than its factorization.

1011001012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168500168692.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011001012122 its reverse (2212101001101), we get a palindrome (3223102013223).

The spelling of 1011001012122 in words is "one trillion, eleven billion, one million, twelve thousand, one hundred twenty-two".