1001120121122 has 32 divisors (see below), whose sum is σ = 1652635068480. Its totient is φ = 451061087680.

The previous prime is 1001120121119. The next prime is 1001120121139. The reversal of 1001120121122 is 2211210211001.

It is a junction number, because it is equal to n+sod(n) for n = 1001120121097 and 1001120121106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736493 + ... + 1595199.

It is an arithmetic number, because the mean of its divisors is an integer number (51644845890).

Almost surely, 2^{1001120121122} is an apocalyptic number.

1001120121122 is a deficient number, since it is larger than the sum of its proper divisors (651514947358).

1001120121122 is a wasteful number, since it uses less digits than its factorization.

1001120121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859186.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1001120121122 its reverse (2211210211001), we get a palindrome (3212330332123).

The spelling of 1001120121122 in words is "one trillion, one billion, one hundred twenty million, one hundred twenty-one thousand, one hundred twenty-two".