10211002112121 has 8 divisors (see below), whose sum is σ = 13614684336864. Its totient is φ = 6807327314400.

The previous prime is 10211002112119. The next prime is 10211002112137. The reversal of 10211002112121 is 12121120011201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10211002112121 - 2¹ = 10211002112119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10211002112121.

It is not an unprimeable number, because it can be changed into a prime (10211002112321) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3908821 + ... + 5975021.

It is an arithmetic number, because the mean of its divisors is an integer number (1701835542108).

Almost surely, 2^{10211002112121} is an apocalyptic number.

It is an amenable number.

10211002112121 is a deficient number, since it is larger than the sum of its proper divisors (3403682224743).

10211002112121 is a wasteful number, since it uses less digits than its factorization.

10211002112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713511.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10211002112121 its reverse (12121120011201), we get a palindrome (22332122123322).

The spelling of 10211002112121 in words is "ten trillion, two hundred eleven billion, two million, one hundred twelve thousand, one hundred twenty-one".