10121221110202 has 8 divisors (see below), whose sum is σ = 15332146830612. Its totient is φ = 5010505500000.

The previous prime is 10121221110109. The next prime is 10121221110223. The reversal of 10121221110202 is 20201112212101.

It can be written as a sum of positive squares in 2 ways, for example, as 9896126847721 + 225094262481 = 3145811^2 + 474441^2 .

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, 25052527299 + ... + 25052527702.

Almost surely, 2^{10121221110202} is an apocalyptic number.

10121221110202 is a deficient number, since it is larger than the sum of its proper divisors (5210925720410).

10121221110202 is a wasteful number, since it uses less digits than its factorization.

10121221110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50105055104.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10121221110202 its reverse (20201112212101), we get a palindrome (30322333322303).

The spelling of 10121221110202 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred ten thousand, two hundred two".