1011021000002 has 8 divisors (see below), whose sum is σ = 1633187769276. Its totient is φ = 466625076912.

The previous prime is 1011020999941. The next prime is 1011021000047. The reversal of 1011021000002 is 2000001201101.

It can be written as a sum of positive squares in 2 ways, for example, as 979603083001 + 31417917001 = 989749^2 + 177251^2 .

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, 19442711513 + ... + 19442711564.

Almost surely, 2^{1011021000002} is an apocalyptic number.

1011021000002 is a deficient number, since it is larger than the sum of its proper divisors (622166769274).

1011021000002 is a wasteful number, since it uses less digits than its factorization.

1011021000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38885423092.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1011021000002 its reverse (2000001201101), we get a palindrome (3011022201103).

The spelling of 1011021000002 in words is "one trillion, eleven billion, twenty-one million, two", and thus it is an aban number and an uban number.