10012102012221 has 16 divisors (see below), whose sum is σ = 13523643596736. Its totient is φ = 6587806328576.

The previous prime is 10012102012219. The next prime is 10012102012249. The reversal of 10012102012221 is 12221020121001.

It is a cyclic number.

It is not a de Polignac number, because 10012102012221 - 2¹ = 10012102012219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10012102012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012102012021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19594380 + ... + 20098853.

It is an arithmetic number, because the mean of its divisors is an integer number (845227724796).

Almost surely, 2^{10012102012221} is an apocalyptic number.

It is an amenable number.

10012102012221 is a deficient number, since it is larger than the sum of its proper divisors (3511541584515).

10012102012221 is a wasteful number, since it uses less digits than its factorization.

10012102012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39694332.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10012102012221 its reverse (12221020121001), we get a palindrome (22233122133222).

The spelling of 10012102012221 in words is "ten trillion, twelve billion, one hundred two million, twelve thousand, two hundred twenty-one".