10101020002 has 8 divisors (see below), whose sum is σ = 15153090012. Its totient is φ = 5049990000.

The previous prime is 10101019969. The next prime is 10101020021. The reversal of 10101020002 is 20002010101.

It can be written as a sum of positive squares in 2 ways, for example, as 10078352881 + 22667121 = 100391^2 + 4761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235249 + ... + 274852.

Almost surely, 2^10101020002 is an apocalyptic number.

10101020002 is a deficient number, since it is larger than the sum of its proper divisors (5052070010).

10101020002 is an equidigital number, since it uses as much as digits as its factorization.

10101020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520004.

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

Adding to 10101020002 its reverse (20002010101), we get a palindrome (30103030103).

Subtracting 10101020002 from its reverse (20002010101), we obtain a palindrome (9900990099).

The spelling of 10101020002 in words is "ten billion, one hundred one million, twenty thousand, two".