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10210022220221 = 31894643797033
BaseRepresentation
bin1001010010010011010010…
…1111110110000110111101
31100011001212000002110212022
42110210310233312012331
52314240111142021341
633414230334045525
72102435603640245
oct224446457660675
940131760073768
1010210022220221
11328705640664a
12118a92b9498a5
13590a54944a05
1427424c2b8b25
1512a8bd1b3e4b
hex94934bf61bd

10210022220221 has 16 divisors (see below), whose sum is σ = 10660106580480. Its totient is φ = 9767531516160.

The previous prime is 10210022220217. The next prime is 10210022220247. The reversal of 10210022220221 is 12202222001201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10210022220221 - 22 = 10210022220217 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 10210022220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210022220521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12411521 + ... + 13208553.

It is an arithmetic number, because the mean of its divisors is an integer number (666256661280).

Almost surely, 210210022220221 is an apocalyptic number.

It is an amenable number.

10210022220221 is a deficient number, since it is larger than the sum of its proper divisors (450084360259).

10210022220221 is an equidigital number, since it uses as much as digits as its factorization.

10210022220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801796.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10210022220221 its reverse (12202222001201), we get a palindrome (22412244221422).

The spelling of 10210022220221 in words is "ten trillion, two hundred ten billion, twenty-two million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 31 89 2759 4643 143933 413227 797033 12810037 24708023 70935937 2199014047 3700624219 114719350789 329355555491 10210022220221