10201202202121 has 64 divisors (see below), whose sum is σ = 13014691430400. Its totient is φ = 7794931262976.

The previous prime is 10201202202119. The next prime is 10201202202127. The reversal of 10201202202121 is 12120220210201.

It is a happy number.

It is not a de Polignac number, because 10201202202121 - 2¹ = 10201202202119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10201202202095 and 10201202202104.

It is not an unprimeable number, because it can be changed into a prime (10201202202127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66863901 + ... + 67016293.

It is an arithmetic number, because the mean of its divisors is an integer number (203354553600).

Almost surely, 2^{10201202202121} is an apocalyptic number.

It is an amenable number.

10201202202121 is a deficient number, since it is larger than the sum of its proper divisors (2813489228279).

10201202202121 is a wasteful number, since it uses less digits than its factorization.

10201202202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152798.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10201202202121 its reverse (12120220210201), we get a palindrome (22321422412322).

The spelling of 10201202202121 in words is "ten trillion, two hundred one billion, two hundred two million, two hundred two thousand, one hundred twenty-one".