20010220101101 has 16 divisors (see below), whose sum is σ = 21499279262208. Its totient is φ = 18556161388800.

The previous prime is 20010220101083. The next prime is 20010220101181. The reversal of 20010220101101 is 10110102201002.

It is a cyclic number.

It is not a de Polignac number, because 20010220101101 - 2⁶ = 20010220101037 is a prime.

It is a super-2 number, since 2×20010220101101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010220101181) 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, 3325730 + ... + 7147091.

It is an arithmetic number, because the mean of its divisors is an integer number (1343704953888).

Almost surely, 2^{20010220101101} is an apocalyptic number.

It is an amenable number.

20010220101101 is a deficient number, since it is larger than the sum of its proper divisors (1489059161107).

20010220101101 is a wasteful number, since it uses less digits than its factorization.

20010220101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474492.

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

Adding to 20010220101101 its reverse (10110102201002), we get a palindrome (30120322302103).

The spelling of 20010220101101 in words is "twenty trillion, ten billion, two hundred twenty million, one hundred one thousand, one hundred one".