1001021112002 has 16 divisors (see below), whose sum is σ = 1506355418232. Its totient is φ = 498902822400.

The previous prime is 1001021111969. The next prime is 1001021112023. The reversal of 1001021112002 is 2002111201001.

It can be written as a sum of positive squares in 4 ways, for example, as 713908394761 + 287112717241 = 844931^2 + 535829^2 .

It is a super-3 number, since 3×1001021112002³ (a number of 37 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 14675408 + ... + 14743460.

Almost surely, 2^{1001021112002} is an apocalyptic number.

1001021112002 is a deficient number, since it is larger than the sum of its proper divisors (505334306230).

1001021112002 is a wasteful number, since it uses less digits than its factorization.

1001021112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91573.

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

Adding to 1001021112002 its reverse (2002111201001), we get a palindrome (3003132313003).

The spelling of 1001021112002 in words is "one trillion, one billion, twenty-one million, one hundred twelve thousand, two".