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2221301220001 = 43353146340419
BaseRepresentation
bin100000010100101111110…
…111101100001010100001
321212100120022010121222121
4200110233313230022201
5242343211103020001
64420241322104241
7316324625560213
oct40245767541241
97770508117877
102221301220001
117870596a1936
122ba60534b081
13131610a02526
14797239b45b3
153cbab54e6a1
hex2052fdec2a1

2221301220001 has 8 divisors (see below), whose sum is σ = 2279398381920. Its totient is φ = 2163496739712.

The previous prime is 2221301219987. The next prime is 2221301220007. The reversal of 2221301220001 is 1000221031222.

It is a happy number.

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 2221301220001 - 211 = 2221301217953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221301220007) 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, 73155031 + ... + 73185388.

It is an arithmetic number, because the mean of its divisors is an integer number (284924797740).

Almost surely, 22221301220001 is an apocalyptic number.

It is an amenable number.

2221301220001 is a deficient number, since it is larger than the sum of its proper divisors (58097161919).

2221301220001 is a wasteful number, since it uses less digits than its factorization.

2221301220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146340815.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2221301220001 its reverse (1000221031222), we get a palindrome (3221522251223).

The spelling of 2221301220001 in words is "two trillion, two hundred twenty-one billion, three hundred one million, two hundred twenty thousand, one".

Divisors: 1 43 353 15179 146340419 6292638017 51658167907 2221301220001