10012202121 has 32 divisors (see below), whose sum is σ = 14066064000. Its totient is φ = 6325562880.

The previous prime is 10012202113. The next prime is 10012202129. The reversal of 10012202121 is 12120221001.

It is an interprime number because it is at equal distance from previous prime (10012202113) and next prime (10012202129).

It is not a de Polignac number, because 10012202121 - 2³ = 10012202113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10012202097 and 10012202106.

It is not an unprimeable number, because it can be changed into a prime (10012202129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2901205 + ... + 2904653.

It is an arithmetic number, because the mean of its divisors is an integer number (439564500).

Almost surely, 2^10012202121 is an apocalyptic number.

It is an amenable number.

10012202121 is a deficient number, since it is larger than the sum of its proper divisors (4053861879).

10012202121 is a wasteful number, since it uses less digits than its factorization.

10012202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4089.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10012202121 its reverse (12120221001), we get a palindrome (22132423122).

The spelling of 10012202121 in words is "ten billion, twelve million, two hundred two thousand, one hundred twenty-one".