10020021121202 has 4 divisors (see below), whose sum is σ = 15030031681806. Its totient is φ = 5010010560600.

The previous prime is 10020021121163. The next prime is 10020021121223. The reversal of 10020021121202 is 20212112002001.

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., 9608009903041 + 412011218161 = 3099679^2 + 641881^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505005280299 + ... + 2505005280302.

Almost surely, 2^{10020021121202} is an apocalyptic number.

10020021121202 is a deficient number, since it is larger than the sum of its proper divisors (5010010560604).

10020021121202 is an equidigital number, since it uses as much as digits as its factorization.

10020021121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010010560603.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10020021121202 its reverse (20212112002001), we get a palindrome (30232133123203).

The spelling of 10020021121202 in words is "ten trillion, twenty billion, twenty-one million, one hundred twenty-one thousand, two hundred two".