2101101000221 has 8 divisors (see below), whose sum is σ = 2102349834144. Its totient is φ = 2099852336560.

The previous prime is 2101101000209. The next prime is 2101101000233. The reversal of 2101101000221 is 1220001011012.

It is an interprime number because it is at equal distance from previous prime (2101101000209) and next prime (2101101000233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2101101000221 - 2⁶ = 2101101000157 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 (2101101000121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31351070 + ... + 31418016.

It is an arithmetic number, because the mean of its divisors is an integer number (262793729268).

Almost surely, 2^{2101101000221} is an apocalyptic number.

It is an amenable number.

2101101000221 is a deficient number, since it is larger than the sum of its proper divisors (1248833923).

2101101000221 is a wasteful number, since it uses less digits than its factorization.

2101101000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85131.

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

Adding to 2101101000221 its reverse (1220001011012), we get a palindrome (3321102011233).

The spelling of 2101101000221 in words is "two trillion, one hundred one billion, one hundred one million, two hundred twenty-one", and thus it is an aban number.