10020021201002 has 4 divisors (see below), whose sum is σ = 15030031801506. Its totient is φ = 5010010600500.

The previous prime is 10020021200951. The next prime is 10020021201017. The reversal of 10020021201002 is 20010212002001.

It is a happy number.

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., 8850571450081 + 1169449750921 = 2974991^2 + 1081411^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505005300249 + ... + 2505005300252.

Almost surely, 2^{10020021201002} is an apocalyptic number.

10020021201002 is a deficient number, since it is larger than the sum of its proper divisors (5010010600504).

10020021201002 is an equidigital number, since it uses as much as digits as its factorization.

10020021201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010010600503.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10020021201002 its reverse (20010212002001), we get a palindrome (30030233203003).

The spelling of 10020021201002 in words is "ten trillion, twenty billion, twenty-one million, two hundred one thousand, two".