1020011000002 has 4 divisors (see below), whose sum is σ = 1530016500006. Its totient is φ = 510005500000.

The previous prime is 1020010999999. The next prime is 1020011000033. The reversal of 1020011000002 is 2000001100201.

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

It can be written as a sum of positive squares in only one way, i.e., 944688746401 + 75322253601 = 971951^2 + 274449^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255002749999 + ... + 255002750002.

Almost surely, 2^{1020011000002} is an apocalyptic number.

1020011000002 is a deficient number, since it is larger than the sum of its proper divisors (510005500004).

1020011000002 is an equidigital number, since it uses as much as digits as its factorization.

1020011000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510005500003.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1020011000002 its reverse (2000001100201), we get a palindrome (3020012100203).

The spelling of 1020011000002 in words is "one trillion, twenty billion, eleven million, two", and thus it is an aban number and an uban number.