10210221110101 has 4 divisors (see below), whose sum is σ = 10210327362604. Its totient is φ = 10210114857600.

The previous prime is 10210221110099. The next prime is 10210221110129. The reversal of 10210221110101 is 10101112201201.

It is a happy number.

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 10001943882225 + 208277227876 = 3162585^2 + 456374^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210221110101 - 2¹ = 10210221110099 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 (10210221110191) 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, 52981980 + ... + 53174341.

It is an arithmetic number, because the mean of its divisors is an integer number (2552581840651).

Almost surely, 2^{10210221110101} is an apocalyptic number.

It is an amenable number.

10210221110101 is a deficient number, since it is larger than the sum of its proper divisors (106252503).

10210221110101 is an equidigital number, since it uses as much as digits as its factorization.

10210221110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106252502.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10210221110101 its reverse (10101112201201), we get a palindrome (20311333311302).

The spelling of 10210221110101 in words is "ten trillion, two hundred ten billion, two hundred twenty-one million, one hundred ten thousand, one hundred one".