200101100022101 has 4 divisors (see below), whose sum is σ = 200101247584812. Its totient is φ = 200100952459392.

The previous prime is 200101100022097. The next prime is 200101100022119. The reversal of 200101100022101 is 101220001101002.

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 4643895700900 + 195457204321201 = 2154970^2 + 13980601^2 .

It is a cyclic number.

It is not a de Polignac number, because 200101100022101 - 2² = 200101100022097 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 (200601100022101) 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, 71728250 + ... + 74465723.

It is an arithmetic number, because the mean of its divisors is an integer number (50025311896203).

Almost surely, 2^{200101100022101} is an apocalyptic number.

It is an amenable number.

200101100022101 is a deficient number, since it is larger than the sum of its proper divisors (147562711).

200101100022101 is a wasteful number, since it uses less digits than its factorization.

200101100022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147562710.

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

Adding to 200101100022101 its reverse (101220001101002), we get a palindrome (301321101123103).

The spelling of 200101100022101 in words is "two hundred trillion, one hundred one billion, one hundred million, twenty-two thousand, one hundred one".