1001012100122 has 8 divisors (see below), whose sum is σ = 1502737908672. Its totient is φ = 500099463900.

The previous prime is 1001012100107. The next prime is 1001012100149. The reversal of 1001012100122 is 2210012101001.

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

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 3 ways as a sum of consecutive naturals, for example, 203290004 + ... + 203294927.

It is an arithmetic number, because the mean of its divisors is an integer number (187842238584).

Almost surely, 2^{1001012100122} is an apocalyptic number.

1001012100122 is a deficient number, since it is larger than the sum of its proper divisors (501725808550).

1001012100122 is a wasteful number, since it uses less digits than its factorization.

1001012100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406586164.

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

Adding to 1001012100122 its reverse (2210012101001), we get a palindrome (3211024201123).

The spelling of 1001012100122 in words is "one trillion, one billion, twelve million, one hundred thousand, one hundred twenty-two".