1001112002122 has 8 divisors (see below), whose sum is σ = 1501673422500. Its totient is φ = 500554194624.

The previous prime is 1001112002113. The next prime is 1001112002131. The reversal of 1001112002122 is 2212002111001.

It is an interprime number because it is at equal distance from previous prime (1001112002113) and next prime (1001112002131).

It can be written as a sum of positive squares in 2 ways, for example, as 876000530601 + 125111471521 = 935949^2 + 353711^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48847 + ... + 1415842.

Almost surely, 2^{1001112002122} is an apocalyptic number.

1001112002122 is a deficient number, since it is larger than the sum of its proper divisors (500561420378).

1001112002122 is a wasteful number, since it uses less digits than its factorization.

1001112002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806440.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1001112002122 its reverse (2212002111001), we get a palindrome (3213114113123).

The spelling of 1001112002122 in words is "one trillion, one billion, one hundred twelve million, two thousand, one hundred twenty-two".