101110020200221 has 4 divisors (see below), whose sum is σ = 101399733725500. Its totient is φ = 100820306674944.

The previous prime is 101110020200209. The next prime is 101110020200237. The reversal of 101110020200221 is 122002020011101.

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 32906124340996 + 68203895859225 = 5736386^2 + 8258565^2 .

It is a cyclic number.

It is not a de Polignac number, because 101110020200221 - 2³⁷ = 100972581246749 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 (101110020200201) 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, 144856762116 + ... + 144856762813.

It is an arithmetic number, because the mean of its divisors is an integer number (25349933431375).

Almost surely, 2^{101110020200221} is an apocalyptic number.

It is an amenable number.

101110020200221 is a deficient number, since it is larger than the sum of its proper divisors (289713525279).

101110020200221 is an equidigital number, since it uses as much as digits as its factorization.

101110020200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289713525278.

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

Adding to 101110020200221 its reverse (122002020011101), we get a palindrome (223112040211322).

The spelling of 101110020200221 in words is "one hundred one trillion, one hundred ten billion, twenty million, two hundred thousand, two hundred twenty-one".