20102211101 has 8 divisors (see below), whose sum is σ = 22977962304. Its totient is φ = 17227461600.

The previous prime is 20102211089. The next prime is 20102211127. The reversal of 20102211101 is 10111220102.

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 20102211101 - 2²² = 20098016797 is a prime.

It is a super-2 number, since 2×20102211101² (a number of 21 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 (20102211131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206915 + ... + 288128.

It is an arithmetic number, because the mean of its divisors is an integer number (2872245288).

Almost surely, 2^20102211101 is an apocalyptic number.

It is an amenable number.

20102211101 is a deficient number, since it is larger than the sum of its proper divisors (2875751203).

20102211101 is an equidigital number, since it uses as much as digits as its factorization.

20102211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500851.

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

Adding to 20102211101 its reverse (10111220102), we get a palindrome (30213431203).

Subtracting from 20102211101 its reverse (10111220102), we obtain a palindrome (9990990999).

The spelling of 20102211101 in words is "twenty billion, one hundred two million, two hundred eleven thousand, one hundred one".