1001001011022 has 48 divisors (see below), whose sum is σ = 2288735663760. Its totient is φ = 315309303936.

The previous prime is 1001001011009. The next prime is 1001001011057. The reversal of 1001001011022 is 2201101001001.

It is a happy number.

It is a super-3 number, since 3×1001001011022³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1001001010995 and 1001001011013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3550503 + ... + 3822050.

It is an arithmetic number, because the mean of its divisors is an integer number (47681992995).

Almost surely, 2^{1001001011022} is an apocalyptic number.

1001001011022 is an abundant number, since it is smaller than the sum of its proper divisors (1287734652738).

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

1001001011022 is a wasteful number, since it uses less digits than its factorization.

1001001011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7372977 (or 7372974 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1001001011022 its reverse (2201101001001), we get a palindrome (3202102012023).

The spelling of 1001001011022 in words is "one trillion, one billion, one million, eleven thousand, twenty-two".