10202121121112 has 16 divisors (see below), whose sum is σ = 19129219179000. Its totient is φ = 5100996006720.

The previous prime is 10202121121097. The next prime is 10202121121141. The reversal of 10202121121112 is 21112112120201.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 7394237 + ... + 8664812.

Almost surely, 2^{10202121121112} is an apocalyptic number.

It is an amenable number.

10202121121112 is a deficient number, since it is larger than the sum of its proper divisors (8927098057888).

10202121121112 is a wasteful number, since it uses less digits than its factorization.

10202121121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16138466 (or 16138462 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10202121121112 its reverse (21112112120201), we get a palindrome (31314233241313).

The spelling of 10202121121112 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred twelve".