10202121200005 has 16 divisors (see below), whose sum is σ = 13991540828544. Its totient is φ = 6995710088640.

The previous prime is 10202121199987. The next prime is 10202121200027. The reversal of 10202121200005 is 50000212120201.

It is a happy number.

It is not a de Polignac number, because 10202121200005 - 2¹⁵ = 10202121167237 is a prime.

It is a super-2 number, since 2×10202121200005² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10264890 + ... + 11214820.

It is an arithmetic number, because the mean of its divisors is an integer number (874471301784).

Almost surely, 2^{10202121200005} is an apocalyptic number.

It is an amenable number.

10202121200005 is a deficient number, since it is larger than the sum of its proper divisors (3789419628539).

10202121200005 is an equidigital number, since it uses as much as digits as its factorization.

10202121200005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256796.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 10202121200005 its reverse (50000212120201), we get a palindrome (60202333320206).

The spelling of 10202121200005 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, two hundred thousand, five".