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20222111101 = 47430257683
BaseRepresentation
bin10010110101010101…
…001110110101111101
31221012022110200101211
4102311111032311331
5312403330023401
613142342004421
71314060052063
oct226525166575
957168420354
1020222111101
118637944415
123b04416711
131ba370421a
14d9b9c2033
157d54e1951
hex4b554ed7d

20222111101 has 4 divisors (see below), whose sum is σ = 20652368832. Its totient is φ = 19791853372.

The previous prime is 20222111089. The next prime is 20222111153. The reversal of 20222111101 is 10111122202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10111122202 = 25055561101.

It is a cyclic number.

It is not a de Polignac number, because 20222111101 - 25 = 20222111069 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 (20222111171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215128795 + ... + 215128888.

It is an arithmetic number, because the mean of its divisors is an integer number (5163092208).

Almost surely, 220222111101 is an apocalyptic number.

It is an amenable number.

20222111101 is a deficient number, since it is larger than the sum of its proper divisors (430257731).

20222111101 is an equidigital number, since it uses as much as digits as its factorization.

20222111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430257730.

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

Adding to 20222111101 its reverse (10111122202), we get a palindrome (30333233303).

The spelling of 20222111101 in words is "twenty billion, two hundred twenty-two million, one hundred eleven thousand, one hundred one".

Divisors: 1 47 430257683 20222111101