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10210202112221 = 184272201325171
BaseRepresentation
bin1001010010010011111101…
…1110000101000011011101
31100011002022112120221021222
42110210333132011003131
52314240443220042341
633414300241503125
72102443216665566
oct224447736050335
940132275527258
1010210202112221
113287138a05121
12118a980041aa5
13590a82cab697
1427426814516d
1512a8cdd9a44b
hex9493f7850dd

10210202112221 has 8 divisors (see below), whose sum is σ = 10211625726624. Its totient is φ = 10208778629040.

The previous prime is 10210202112161. The next prime is 10210202112247. The reversal of 10210202112221 is 12221120201201.

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 10210202112221 - 226 = 10210135003357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10210202112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210202112281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405620966 + ... + 405646136.

It is an arithmetic number, because the mean of its divisors is an integer number (1276453215828).

Almost surely, 210210202112221 is an apocalyptic number.

It is an amenable number.

10210202112221 is a deficient number, since it is larger than the sum of its proper divisors (1423614403).

10210202112221 is a wasteful number, since it uses less digits than its factorization.

10210202112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65611.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10210202112221 its reverse (12221120201201), we get a palindrome (22431322313422).

The spelling of 10210202112221 in words is "ten trillion, two hundred ten billion, two hundred two million, one hundred twelve thousand, two hundred twenty-one".

Divisors: 1 18427 22013 25171 405633551 463826017 554089223 10210202112221