10121112221202 has 24 divisors (see below), whose sum is σ = 22521754223436. Its totient is φ = 3282522882336.

The previous prime is 10121112221153. The next prime is 10121112221263. The reversal of 10121112221202 is 20212221112101.

10121112221202 is a `hidden beast` number, since 10 + 121 + 112 + 221 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7815485593161 + 2305626628041 = 2795619^2 + 1518429^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7598431933 + ... + 7598433264.

Almost surely, 2^{10121112221202} is an apocalyptic number.

10121112221202 is an abundant number, since it is smaller than the sum of its proper divisors (12400642002234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121112221202 is a wasteful number, since it uses less digits than its factorization.

10121112221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15196865242 (or 15196865239 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10121112221202 its reverse (20212221112101), we get a palindrome (30333333333303).

The spelling of 10121112221202 in words is "ten trillion, one hundred twenty-one billion, one hundred twelve million, two hundred twenty-one thousand, two hundred two".