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10201221022 = 227129364237
BaseRepresentation
bin10011000000000101…
…00100011110011110
3222022221101201110211
421200002210132132
5131343003033042
64404131323034
7510536643106
oct114002443636
928287351424
1010201221022
114365361383
121b8845047a
13c675b1475
146cab82206
153ea8a9017
hex2600a479e

10201221022 has 16 divisors (see below), whose sum is σ = 15410953152. Its totient is φ = 5064366240.

The previous prime is 10201221013. The next prime is 10201221053. The reversal of 10201221022 is 22012210201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10201220993 and 10201221011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126688 + ... + 190924.

It is an arithmetic number, because the mean of its divisors is an integer number (963184572).

Almost surely, 210201221022 is an apocalyptic number.

10201221022 is a deficient number, since it is larger than the sum of its proper divisors (5209732130).

10201221022 is a wasteful number, since it uses less digits than its factorization.

10201221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64803.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10201221022 its reverse (22012210201), we get a palindrome (32213431223).

The spelling of 10201221022 in words is "ten billion, two hundred one million, two hundred twenty-one thousand, twenty-two".

Divisors: 1 2 271 293 542 586 64237 79403 128474 158806 17408227 18821441 34816454 37642882 5100610511 10201221022