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2221120222201 = 8874495955697
BaseRepresentation
bin100000010100100101000…
…101001111001111111001
321212100002200112222200101
4200110211011033033321
5242342323234102301
64420211334435401
7316320300244636
oct40244505171771
97770080488611
102221120222201
11786a76508581
122ba574802b61
131315b236c43a
147970793b18d
153cb9a6ea701
hex2052514f3f9

2221120222201 has 8 divisors (see below), whose sum is σ = 2223713687040. Its totient is φ = 2218526960448.

The previous prime is 2221120222193. The next prime is 2221120222241. The reversal of 2221120222201 is 1022220211222.

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 2221120222201 - 23 = 2221120222193 is a prime.

It is a super-2 number, since 2×22211202222012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221120222241) 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, 39850785 + ... + 39906481.

It is an arithmetic number, because the mean of its divisors is an integer number (277964210880).

Almost surely, 22221120222201 is an apocalyptic number.

It is an amenable number.

2221120222201 is a deficient number, since it is larger than the sum of its proper divisors (2593464839).

2221120222201 is an equidigital number, since it uses as much as digits as its factorization.

2221120222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101543.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2221120222201 its reverse (1022220211222), we get a palindrome (3243340433423).

The spelling of 2221120222201 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 887 44959 55697 39878633 49403239 2504081423 2221120222201