1021211012002 has 8 divisors (see below), whose sum is σ = 1531850190876. Its totient is φ = 510594281712.

The previous prime is 1021211011993. The next prime is 1021211012011. The reversal of 1021211012002 is 2002101121201.

It is an interprime number because it is at equal distance from previous prime (1021211011993) and next prime (1021211012011).

It can be written as a sum of positive squares in 2 ways, for example, as 944980354201 + 76230657801 = 972101^2 + 276099^2 .

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5497953 + ... + 5680660.

Almost surely, 2^{1021211012002} is an apocalyptic number.

1021211012002 is a deficient number, since it is larger than the sum of its proper divisors (510639178874).

1021211012002 is a wasteful number, since it uses less digits than its factorization.

1021211012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11224292.

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

Adding to 1021211012002 its reverse (2002101121201), we get a palindrome (3023312133203).

The spelling of 1021211012002 in words is "one trillion, twenty-one billion, two hundred eleven million, twelve thousand, two".