10200120220001 has 4 divisors (see below), whose sum is σ = 10200126644400. Its totient is φ = 10200113795604.

The previous prime is 10200120219997. The next prime is 10200120220013. The reversal of 10200120220001 is 10002202100201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10200120220001 - 2² = 10200120219997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10200120420001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090610 + ... + 4646468.

It is an arithmetic number, because the mean of its divisors is an integer number (2550031661100).

Almost surely, 2^{10200120220001} is an apocalyptic number.

It is an amenable number.

10200120220001 is a deficient number, since it is larger than the sum of its proper divisors (6424399).

10200120220001 is an equidigital number, since it uses as much as digits as its factorization.

10200120220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6424398.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10200120220001 its reverse (10002202100201), we get a palindrome (20202322320202).

The spelling of 10200120220001 in words is "ten trillion, two hundred billion, one hundred twenty million, two hundred twenty thousand, one".