10202121220112 has 40 divisors (see below), whose sum is σ = 19780902173376. Its totient is φ = 5097373497216.

The previous prime is 10202121220099. The next prime is 10202121220139. The reversal of 10202121220112 is 21102212120201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145453883 + ... + 145524005.

Almost surely, 2^{10202121220112} is an apocalyptic number.

It is an amenable number.

10202121220112 is a deficient number, since it is larger than the sum of its proper divisors (9578780953264).

10202121220112 is a wasteful number, since it uses less digits than its factorization.

10202121220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76575 (or 76569 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10202121220112 its reverse (21102212120201), we get a palindrome (31304333340313).

The spelling of 10202121220112 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, two hundred twenty thousand, one hundred twelve".