10021111020002 has 4 divisors (see below), whose sum is σ = 15031666530006. Its totient is φ = 5010555510000.

The previous prime is 10021111019989. The next prime is 10021111020061. The reversal of 10021111020002 is 20002011112001.

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., 8464253416921 + 1556857603081 = 2909339^2 + 1247741^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505277754999 + ... + 2505277755002.

Almost surely, 2^{10021111020002} is an apocalyptic number.

10021111020002 is a deficient number, since it is larger than the sum of its proper divisors (5010555510004).

10021111020002 is an equidigital number, since it uses as much as digits as its factorization.

10021111020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010555510003.

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

Adding to 10021111020002 its reverse (20002011112001), we get a palindrome (30023122132003).

The spelling of 10021111020002 in words is "ten trillion, twenty-one billion, one hundred eleven million, twenty thousand, two".