20110001022211 has 8 divisors (see below), whose sum is σ = 20682130678704. Its totient is φ = 19542619330080.

The previous prime is 20110001022191. The next prime is 20110001022229. The reversal of 20110001022211 is 11222010001102.

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 20110001022211 - 2²³ = 20109992633603 is a prime.

It is a super-2 number, since 2×20110001022211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20110001022191 and 20110001022200.

It is not an unprimeable number, because it can be changed into a prime (20110001022011) 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, 1186982500 + ... + 1186999441.

It is an arithmetic number, because the mean of its divisors is an integer number (2585266334838).

Almost surely, 2^{20110001022211} is an apocalyptic number.

20110001022211 is a deficient number, since it is larger than the sum of its proper divisors (572129656493).

20110001022211 is a wasteful number, since it uses less digits than its factorization.

20110001022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373982181.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20110001022211 its reverse (11222010001102), we get a palindrome (31332011023313).

The spelling of 20110001022211 in words is "twenty trillion, one hundred ten billion, one million, twenty-two thousand, two hundred eleven".