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202202222211021 = 3613109952268739
BaseRepresentation
bin101101111110011011011111…
…101000001010111111001101
3222111221100021112020121110210
4231332123133220022333031
5203000340122341223041
61554014230222153033
760406425364254114
oct5576333750127715
9874840245217423
10202202222211021
115947853204536a
121a81818b122779
1388a978434c686
1437d08d5774c7b
151859b25649016
hexb7e6dfa0afcd

202202222211021 has 8 divisors (see below), whose sum is σ = 270042772025440. Its totient is φ = 134581576935312.

The previous prime is 202202222211013. The next prime is 202202222211083. The reversal of 202202222211021 is 120112222202202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202202222211021 - 23 = 202202222211013 is a prime.

It is a super-2 number, since 2×2022022222110212 (a number of 29 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 (202202222231021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54976132531 + ... + 54976136208.

It is an arithmetic number, because the mean of its divisors is an integer number (33755346503180).

Almost surely, 2202202222211021 is an apocalyptic number.

It is an amenable number.

202202222211021 is a deficient number, since it is larger than the sum of its proper divisors (67840549814419).

202202222211021 is a wasteful number, since it uses less digits than its factorization.

202202222211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109952269355.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202202222211021 its reverse (120112222202202), we get a palindrome (322314444413223).

The spelling of 202202222211021 in words is "two hundred two trillion, two hundred two billion, two hundred twenty-two million, two hundred eleven thousand, twenty-one".

Divisors: 1 3 613 1839 109952268739 329856806217 67400740737007 202202222211021