10101201000221 has 4 divisors (see below), whose sum is σ = 10101257772192. Its totient is φ = 10101144228252.

The previous prime is 10101201000131. The next prime is 10101201000251. The reversal of 10101201000221 is 12200010210101.

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.

It is a cyclic number.

It is not a de Polignac number, because 10101201000221 - 2¹⁸ = 10101200738077 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 (10101201000251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28118255 + ... + 28475228.

It is an arithmetic number, because the mean of its divisors is an integer number (2525314443048).

Almost surely, 2^{10101201000221} is an apocalyptic number.

It is an amenable number.

10101201000221 is a deficient number, since it is larger than the sum of its proper divisors (56771971).

10101201000221 is an equidigital number, since it uses as much as digits as its factorization.

10101201000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56771970.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10101201000221 its reverse (12200010210101), we get a palindrome (22301211210322).

The spelling of 10101201000221 in words is "ten trillion, one hundred one billion, two hundred one million, two hundred twenty-one", and thus it is an aban number.