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10221221222201 = 111496236254559
BaseRepresentation
bin1001010010111101000001…
…0000101001011100111001
31100012010202110222201111102
42110233100100221130321
52314431030113102301
633423321511341145
72103313250612633
oct224572020513471
940163673881442
1010221221222201
113290882a05590
121190b363817b5
13591b1ab672c2
142749d178ba53
1512ad26461b6b
hex94bd0429739

10221221222201 has 8 divisors (see below), whose sum is σ = 11225258208000. Its totient is φ = 9229656745840.

The previous prime is 10221221222081. The next prime is 10221221222227. The reversal of 10221221222201 is 10222212212201.

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 10221221222201 - 226 = 10221154113337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221221222801) 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, 3118125641 + ... + 3118128918.

It is an arithmetic number, because the mean of its divisors is an integer number (1403157276000).

Almost surely, 210221221222201 is an apocalyptic number.

10221221222201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10221221222201 is a deficient number, since it is larger than the sum of its proper divisors (1004036985799).

10221221222201 is a wasteful number, since it uses less digits than its factorization.

10221221222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236254719.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10221221222201 its reverse (10222212212201), we get a palindrome (20443433434402).

The spelling of 10221221222201 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 11 149 1639 6236254559 68598800149 929201929291 10221221222201