1000001209922 has 64 divisors (see below), whose sum is σ = 1767158830080. Its totient is φ = 418411156800.

The previous prime is 1000001209871. The next prime is 1000001209937. The reversal of 1000001209922 is 2299021000001.

It is a happy number.

It is a super-3 number, since 3×1000001209922³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1000001209891 and 1000001209900.

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 31 ways as a sum of consecutive naturals, for example, 340250729 + ... + 340253667.

It is an arithmetic number, because the mean of its divisors is an integer number (27611856720).

Almost surely, 2^{1000001209922} is an apocalyptic number.

1000001209922 is a deficient number, since it is larger than the sum of its proper divisors (767157620158).

1000001209922 is a wasteful number, since it uses less digits than its factorization.

1000001209922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5879.

The product of its (nonzero) digits is 648, while the sum is 26.

Adding to 1000001209922 its reverse (2299021000001), we get a palindrome (3299022209923).

The spelling of 1000001209922 in words is "one trillion, one million, two hundred nine thousand, nine hundred twenty-two".