220000022100101 has 4 divisors (see below), whose sum is σ = 221605861677612. Its totient is φ = 218394182522592.

The previous prime is 220000022100097. The next prime is 220000022100107. The reversal of 220000022100101 is 101001220000022.

It is a happy number.

220000022100101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56320597137025 + 163679424963076 = 7504705^2 + 12793726^2 .

It is a cyclic number.

It is not a de Polignac number, because 220000022100101 - 2² = 220000022100097 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 (220000022100107) 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, 802919788550 + ... + 802919788823.

It is an arithmetic number, because the mean of its divisors is an integer number (55401465419403).

Almost surely, 2^{220000022100101} is an apocalyptic number.

It is an amenable number.

220000022100101 is a deficient number, since it is larger than the sum of its proper divisors (1605839577511).

220000022100101 is a wasteful number, since it uses less digits than its factorization.

220000022100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605839577510.

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

Adding to 220000022100101 its reverse (101001220000022), we get a palindrome (321001242100123).

The spelling of 220000022100101 in words is "two hundred twenty trillion, twenty-two million, one hundred thousand, one hundred one".