1012101002002 has 4 divisors (see below), whose sum is σ = 1518151503006. Its totient is φ = 506050501000.

The previous prime is 1012101001981. The next prime is 1012101002023. The reversal of 1012101002002 is 2002001012101.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1012101001981) and next prime (1012101002023).

It can be written as a sum of positive squares in only one way, i.e., 640414467081 + 371686534921 = 800259^2 + 609661^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1012101002002.

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 as a sum of consecutive naturals, namely, 253025250499 + ... + 253025250502.

Almost surely, 2^{1012101002002} is an apocalyptic number.

1012101002002 is a deficient number, since it is larger than the sum of its proper divisors (506050501004).

1012101002002 is an equidigital number, since it uses as much as digits as its factorization.

1012101002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506050501003.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1012101002002 its reverse (2002001012101), we get a palindrome (3014102014103).

The spelling of 1012101002002 in words is "one trillion, twelve billion, one hundred one million, two thousand, two".