10021120120202 has 4 divisors (see below), whose sum is σ = 15031680180306. Its totient is φ = 5010560060100.

The previous prime is 10021120120133. The next prime is 10021120120223. The reversal of 10021120120202 is 20202102112001.

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., 10016471744161 + 4648376041 = 3164881^2 + 68179^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2505280030049 + ... + 2505280030052.

Almost surely, 2^{10021120120202} is an apocalyptic number.

10021120120202 is a deficient number, since it is larger than the sum of its proper divisors (5010560060104).

10021120120202 is an equidigital number, since it uses as much as digits as its factorization.

10021120120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5010560060103.

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

Adding to 10021120120202 its reverse (20202102112001), we get a palindrome (30223222232203).

The spelling of 10021120120202 in words is "ten trillion, twenty-one billion, one hundred twenty million, one hundred twenty thousand, two hundred two".