10101010001002 has 4 divisors (see below), whose sum is σ = 15151515001506. Its totient is φ = 5050505000500.

The previous prime is 10101010000969. The next prime is 10101010001009. The reversal of 10101010001002 is 20010001010101.

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., 9438529583961 + 662480417041 = 3072219^2 + 813929^2 .

It is not an unprimeable number, because it can be changed into a prime (10101010001009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525252500249 + ... + 2525252500252.

Almost surely, 2^{10101010001002} is an apocalyptic number.

10101010001002 is a deficient number, since it is larger than the sum of its proper divisors (5050505000504).

10101010001002 is an equidigital number, since it uses as much as digits as its factorization.

10101010001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050505000503.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10101010001002 its reverse (20010001010101), we get a palindrome (30111011011103).

The spelling of 10101010001002 in words is "ten trillion, one hundred one billion, ten million, one thousand, two".