10012221020101 has 4 divisors (see below), whose sum is σ = 10601175197772. Its totient is φ = 9423266842432.

The previous prime is 10012221020047. The next prime is 10012221020117. The reversal of 10012221020101 is 10102012221001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9163491819876 + 848729200225 = 3027126^2 + 921265^2 .

It is a cyclic number.

It is not a de Polignac number, because 10012221020101 - 2⁷ = 10012221019973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012221020161) 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, 294477088810 + ... + 294477088843.

It is an arithmetic number, because the mean of its divisors is an integer number (2650293799443).

Almost surely, 2^{10012221020101} is an apocalyptic number.

It is an amenable number.

10012221020101 is a deficient number, since it is larger than the sum of its proper divisors (588954177671).

10012221020101 is an equidigital number, since it uses as much as digits as its factorization.

10012221020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588954177670.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10012221020101 its reverse (10102012221001), we get a palindrome (20114233241102).

The spelling of 10012221020101 in words is "ten trillion, twelve billion, two hundred twenty-one million, twenty thousand, one hundred one".