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10210201122221 = 172205127236863
BaseRepresentation
bin1001010010010011111101…
…1010010011010110101101
31100011002022110201122021022
42110210333122103112231
52314240442441402341
633414300204343525
72102443205403362
oct224447732232655
940132273648238
1010210201122221
113287138399341
12118a97b844ba5
13590a82a22b99
14274267d68469
1512a8cdc51e4b
hex9493f6935ad

10210201122221 has 8 divisors (see below), whose sum is σ = 10811291848704. Its totient is φ = 9609164913600.

The previous prime is 10210201122217. The next prime is 10210201122263. The reversal of 10210201122221 is 12222110201201.

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 10210201122221 - 22 = 10210201122217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 10210201122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210201122521) 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, 13243565 + ... + 13993298.

It is an arithmetic number, because the mean of its divisors is an integer number (1351411481088).

Almost surely, 210210201122221 is an apocalyptic number.

It is an amenable number.

10210201122221 is a deficient number, since it is larger than the sum of its proper divisors (601090726483).

10210201122221 is a wasteful number, since it uses less digits than its factorization.

10210201122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27258931.

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

Adding to 10210201122221 its reverse (12222110201201), we get a palindrome (22432311323422).

The spelling of 10210201122221 in words is "ten trillion, two hundred ten billion, two hundred one million, one hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 17 22051 374867 27236863 463026671 600600066013 10210201122221