1001100012122 has 32 divisors (see below), whose sum is σ = 1748682214272. Its totient is φ = 420916377024.

The previous prime is 1001100012097. The next prime is 1001100012161. The reversal of 1001100012122 is 2212100011001.

It is a super-3 number, since 3×1001100012122³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11809733 + ... + 11894199.

It is an arithmetic number, because the mean of its divisors is an integer number (54646319196).

Almost surely, 2^{1001100012122} is an apocalyptic number.

1001100012122 is a deficient number, since it is larger than the sum of its proper divisors (747582202150).

1001100012122 is a wasteful number, since it uses less digits than its factorization.

1001100012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100502.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001100012122 its reverse (2212100011001), we get a palindrome (3213200023123).

The spelling of 1001100012122 in words is "one trillion, one billion, one hundred million, twelve thousand, one hundred twenty-two".