10202012200121 has 32 divisors (see below), whose sum is σ = 12560832000000. Its totient is φ = 8086641391872.

The previous prime is 10202012200117. The next prime is 10202012200207. The reversal of 10202012200121 is 12100221020201.

It is a cyclic number.

It is not a de Polignac number, because 10202012200121 - 2² = 10202012200117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202012200096 and 10202012200105.

It is not an unprimeable number, because it can be changed into a prime (10202012200421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13671530 + ... + 14398428.

It is an arithmetic number, because the mean of its divisors is an integer number (392526000000).

Almost surely, 2^{10202012200121} is an apocalyptic number.

It is an amenable number.

10202012200121 is a deficient number, since it is larger than the sum of its proper divisors (2358819799879).

10202012200121 is a wasteful number, since it uses less digits than its factorization.

10202012200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728981.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10202012200121 its reverse (12100221020201), we get a palindrome (22302233220322).

The spelling of 10202012200121 in words is "ten trillion, two hundred two billion, twelve million, two hundred thousand, one hundred twenty-one".