11000021220101 has 16 divisors (see below), whose sum is σ = 11296487989248. Its totient is φ = 10706238471600.

The previous prime is 11000021220091. The next prime is 11000021220137. The reversal of 11000021220101 is 10102212000011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11000021220101 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 (11000021220161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11757296 + ... + 12658358.

It is an arithmetic number, because the mean of its divisors is an integer number (706030499328).

Almost surely, 2^{11000021220101} is an apocalyptic number.

It is an amenable number.

11000021220101 is a deficient number, since it is larger than the sum of its proper divisors (296466769147).

11000021220101 is a wasteful number, since it uses less digits than its factorization.

11000021220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902552.

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

Adding to 11000021220101 its reverse (10102212000011), we get a palindrome (21102233220112).

The spelling of 11000021220101 in words is "eleven trillion, twenty-one million, two hundred twenty thousand, one hundred one".